If there is one recipe that defines effortless decadence, it is the Cinnamon Roll Casserole. Forget painstakingly proofing yeast or waiting hours for dough to rise. This recipe takes the delightful flavor profile of warm, gooey cinnamon rolls and transforms it into a rich, custard-soaked bread pudding that is ready for the oven in minutes.
This dish is sometimes called cinnamon roll French toast bake, and for good reason: it marries the convenience of canned dough with the velvety texture of a classic French toast custard. It’s the ultimate brunch shortcut, a guaranteed crowd-plepleaser for holidays, Sunday mornings, or whenever a craving for sweet, spiced comfort strikes. Whether you’re feeding a large family or just looking for a simple, impressive dessert, this Cinnamon Roll Casserole delivers on flavor, texture, and pure, unadulterated gooey goodness. We also include an optional, but highly recommended, boosted glaze to take this treat completely over the top.
We’re diving deep into every aspect of this spectacular breakfast creation, from the precise ratio of sugars and spices to the secrets behind achieving that perfectly set, yet incredibly tender center. Get ready to bake the simplest, most delicious breakfast or dessert casserole you’ve ever encountered.
Why the Cinnamon Roll Casserole is the Perfect Weekend Brunch Staple
The culinary landscape is filled with complex, time-consuming brunch recipes, but the Cinnamon Roll Casserole stands out because it delivers maximum flavor with minimal effort. This isn’t just a recipe; it’s a strategic move for busy hosts and home bakers who want to impress without being stuck in the kitchen for hours. It’s the perfect blend of preparedness and presentation.
Effortless Elegance: Why You’ll Love This Quick Breakfast Bake
What makes this dish so universally adored? It starts with the foundation: using two cans of refrigerated cinnamon rolls. This simple hack eliminates the most time-consuming step in traditional cinnamon roll preparation. By cutting the dough into bite-sized pieces, we create more surface area, allowing the rich custard to seep into every nook and cranny. This results in an incredibly moist and flavorful finished product.
- Speed and Simplicity: The prep time is just 15 minutes. Literally, all you have to do is chop the dough, mix the custard, and pour.
- Crowd Appeal: Who doesn’t love cinnamon rolls? By turning them into a casserole, you create a shareable, easy-to-serve dish that feeds eight hungry people effortlessly. It’s perfect for potlucks, family gatherings, or holiday mornings when time is precious.
- Perfect Texture: Unlike standard cinnamon rolls which can sometimes be dry on the edges, this casserole ensures every piece is infused with a rich, creamy egg and spice mixture. The result is a crispy, golden top layer giving way to a soft, gooey interior the ideal texture contrast.
- Customizable Flavor: The base recipe is fantastic, but it serves as a wonderful canvas for customization. Add pecans, walnuts, chocolate chips, or seasonal fruits to match any occasion.
- Minimal Stress: Unlike baking delicate pastries, this Cinnamon Roll Casserole is forgiving. Even if you leave it in the oven a few minutes longer, the high-fat content from the cream and butter prevents it from drying out easily.
This recipe provides a warm, spiced, and deeply satisfying culinary experience. It’s the taste of cozy mornings wrapped up in a buttery, sugary package. For those who enjoy simple, heartwarming recipes like a classic Pecan Pie Bar or an easy Churro Cheesecake, the ease and flavor of this Cinnamon Roll Casserole will make it an instant favorite.
More Than Just Breakfast: Versatility of This Gooey Treat
While often categorized as a breakfast or brunch item, the Cinnamon Roll Casserole is absolutely decadent enough to serve as a dessert. Imagine serving this warm, fresh out of the oven, topped with a scoop of vanilla bean ice cream instead of the traditional glaze. The warm spice mixed with cold, melting ice cream is heavenly. It provides that comforting, home-baked scent that fills the house, immediately creating a sense of warmth and celebration.
The deep, rich notes of brown sugar, cinnamon, and nutmeg in the custard mixture elevate the flavor far beyond the simple taste of store-bought canned dough. It transforms it from a simple breakfast item into an elegant, yet approachable, dish suitable for any gathering. This is why it’s become such a viral success it feels homemade and complex, but requires beginner-level baking skills.
Why You Should Try This 30-Minute Cinnamon Roll Casserole Today
If you need convincing to add this easy breakfast casserole to your rotation, consider the sheer efficiency and reliable deliciousness it offers. Many recipes promise fast results, but this Cinnamon Roll Casserole genuinely delivers a complex, layered flavor profile in under an hour, making it ideal for spontaneous baking or last-minute entertaining.
The Magic of Canned Cinnamon Rolls in Casserole Form
The secret weapon of this recipe is the pre-made cinnamon roll dough. Using canned dough isn’t cheating; it’s smart cooking. When used in a traditional way, canned rolls are good, but they often lack the deep richness of a scratch-made roll. However, when you cube them and soak them in a dense, dairy-rich custard, they become something entirely new a textural masterpiece.
The high starch content of the refrigerated dough absorbs the liquid mixture beautifully, preventing the dish from becoming soggy. Instead, the dough puffs up and caramelizes slightly during baking. The yeast component in the dough still works its magic, giving the casserole a wonderful rise and light structure, while the spiced custard ensures that every single piece remains moist and flavorful from the inside out.
Furthermore, this recipe is a brilliant way to introduce baking to children or novice cooks. The steps are clearly defined, require minimal complicated techniques, and the result is extremely rewarding. There’s no fussy dough manipulation, kneading, or specific temperature control required beyond setting the oven.
The Payoff:
Imagine waking up, and in less time than it takes to brew a large pot of coffee, you have prepped a dish that smells heavenly and tastes like comfort. The rich, buttery flavor combined with the warm, spiced custard ensures this casserole transcends standard breakfast fare. The inclusion of the packed light brown sugar in the custard is key; it not only adds sweetness but also a subtle molasses depth that enhances the inherent flavor of the cinnamon rolls themselves.
We specifically use heavy cream (or whole milk) rather than skim or low-fat milk. Why? Because the fat content in the dairy is essential to creating that luxurious, almost pudding-like texture in the center of the Cinnamon Roll Casserole. This richness is what sets a good casserole apart from a truly great, restaurant-quality breakfast bake. If you appreciate a moist, satisfying casserole experience, similar to a rich Broccoli Cheese Rice Casserole, but in a sweet form, this is the recipe for you.
Finally, let’s talk about the glaze. We don’t stop at the packets provided. By boosting the reserved icing with powdered sugar and extra cream, we create a glaze that is thicker, shinier, and more substantial it truly transforms the presentation and adds a final punch of sweet flavor necessary to balance the spiced interior.
Ingredients and Essential Tools for Your Decadent Cinnamon Roll Casserole
Achieving a spectacular Cinnamon Roll Casserole starts with selecting the right ingredients and ensuring you have the necessary tools at hand. While the ingredient list is short and simple, the quality and type of each component play a vital role in the final texture and flavor.
The Simple Ingredients List (Casserole Base)
The foundation of this dish relies on balancing the starchy bread component with a rich, spiced custard.
For the Casserole Base
- 2 cans (12.4 oz each) refrigerated cinnamon rolls: The standard size is perfect. Be sure to select the variety that comes with icing packets, as these are crucial for the glaze.
- 4 large eggs: These provide structure and richness to the custard, acting as the binder that holds the entire casserole together.
- 1/2 cup heavy cream or whole milk: Heavy cream is preferred for its high-fat content, which ensures a moist, luxurious texture. If using whole milk, the casserole will still be delicious but slightly less dense.
- 1/4 cup granulated sugar: Provides fundamental sweetness to the custard.
- 1/4 cup packed light brown sugar: This is a key flavor enhancer. Brown sugar adds moisture and a slight caramel or molasses note, complementing the cinnamon beautifully.
- 1 teaspoon vanilla extract: Use pure vanilla extract for the best flavor depth.
- 1 teaspoon ground cinnamon: Boosts the existing cinnamon flavor in the rolls, ensuring the spice shines through the rich custard.
- 1/4 teaspoon ground nutmeg: Nutmeg adds warmth and complexity. While optional, it strongly enhances the “breakfast bake” flavor profile, similar to what you find in French toast or holiday pastries.
- 2 tablespoons butter, melted: Used exclusively for greasing the baking dish, preventing the sugary custard and rolls from sticking.
Boosting the Glaze: An Optional Layer of Sweetness
We reserve the icing packets from the canned rolls, but we bulk them up. The canned icing is often too thin and sparse for a generous casserole. Our boosted glaze ensures every serving gets a lovely, thick layer of creamy topping.
For the Optional Boosted Glaze
- The reserved icing from both cinnamon roll cans: Don’t throw this away!
- 1/4 cup powdered sugar (confectioners’ sugar): This adds volume and structure to the glaze, making it thicker and ensuring it sets beautifully.
- 1 to 2 tablespoons milk or heavy cream: Used to adjust the consistency of the glaze until it’s perfectly drizzle-able.
A Deep Dive into Dairy Selection: When preparing the custard for your Cinnamon Roll Casserole, the choice between heavy cream and whole milk matters significantly for the end result. Heavy cream, with its fat content often exceeding 36%, creates a much richer, denser custard that prevents the bread pieces from becoming waterlogged. The fat also helps carry the warm spice flavors of the cinnamon and nutmeg. If you must use lower-fat milk, ensure the soaking time in step 5 is kept to the minimum (5 minutes) to prevent the dough from getting too soft before baking.
The Spice Ratio: We call for 1 teaspoon of ground cinnamon and 1/4 teaspoon of ground nutmeg. This 4:1 ratio is important. Cinnamon is the star, but the subtle earthiness and warmth of nutmeg prevent the custard from tasting flat or overly sweet. If you prefer a stronger spice profile, you could also add a pinch of allspice or ground cloves, especially if serving this around the holidays the warmth will remind you of a delicious Pumpkin Cream Cheese Cinnamon Roll.
Essential Kitchen Utensils for Casserole Success
You won’t need any specialized equipment for this recipe, but having the following items ready will ensure a smooth assembly process:
- 9×13 Inch Baking Dish: This specific size is crucial. A smaller dish will result in a casserole that is too thick and may remain raw in the center, while a larger one will spread too thinly and dry out quickly.
- Large Mixing Bowl: Essential for efficiently whisking the eggs, cream, sugars, and spices into a smooth, homogenous custard.
- Whisk or Hand Mixer: A simple balloon whisk works perfectly for the custard. You need to ensure the sugars are fully dissolved, especially the brown sugar, before pouring over the rolls.
- Cutting Board and Sharp Knife: Used for quartering the cinnamon rolls. Precision isn’t necessary here, but consistent sizing helps ensure even baking.
- Small Mixing Bowl (for Glaze): Used to combine the reserved icing and powdered sugar for the boosted glaze.
- Measuring Cups and Spoons: Accuracy in measuring the eggs, cream, and sugars guarantees the right custard consistency.
- Pastry Brush (Optional but Recommended): Useful for ensuring the 9×13 dish is thoroughly coated with melted butter.
Having all these ingredients and tools ready is what professionals call “mise en place,” and it makes the 15-minute prep time truly achievable.
Step-by-Step Instructions: Mastering the Easy Cinnamon Roll Casserole
This recipe is split into two main phases: preparation and assembly, and baking and finishing. Follow these detailed steps precisely for a perfect, gooey Cinnamon Roll Casserole every time.
Preparation and Assembly: Building the Foundation
- Preheat Oven and Prepare Dish (Step 1): Preheat your oven to a precise 375°F (190°C). Use the 2 tablespoons of melted butter to grease your chosen 9×13 inch baking dish. Ensure the sides are especially well coated; the melted brown sugar and cream can cause sticking if the dish is insufficiently buttered.
- Cut the Cinnamon Rolls (Step 2): Open the 2 cans of refrigerated cinnamon rolls. Immediately remove the included icing packets and set them aside you will need these later for the boosted glaze. On a clean cutting board, take each roll and cut it into quarters. Four pieces per roll is the target size. This results in small, easy-to-manage pieces that maximize surface area for soaking. Scatter the cut pieces evenly into the prepared 9×13 inch baking dish.
- Prepare the Custard Mixture (Step 3): In your large mixing bowl, crack the 4 large eggs. Use a whisk to beat them until they are lightly uniform, slightly frothy, and pale yellow. Do not skip the whisking step, as incorporating air ensures the custard is light and fluffy rather than dense.
- Add Wet and Dry Ingredients (Step 4): Pour the 1/2 cup of heavy cream (or milk) into the egg mixture. Then, add the 1/4 cup granulated sugar, 1/4 cup light brown sugar, 1 teaspoon vanilla extract, 1 teaspoon ground cinnamon, and 1/4 teaspoon ground nutmeg. Whisk this mixture thoroughly for at least 60 seconds. The goal is to completely dissolve the sugars, especially the sticky brown sugar, ensuring the custard is smooth and homogenous before you pour it over the dough.
- Combine and Soak (Step 5): Gently pour the prepared custard mixture evenly over the cut cinnamon roll pieces in the baking dish. It may look like a lot of liquid, but don’t worry. Gently toss or stir the rolls using a spoon or spatula to ensure all dough pieces are coated and partially submerged in the custard. Crucial Tip: Allow the casserole to sit for 5 to 10 minutes. This soaking time is non-negotiable! It gives the dough time to absorb the liquid fully, preventing a dry casserole and ensuring the center cooks to that perfect, gooey consistency.
Baking and Finishing: Achieving the Perfect Golden Hue
- Bake the Casserole (Step 6): Carefully transfer the baking dish into the preheated 375°F (190°C) oven. Bake for 30 to 35 minutes. Baking time can vary based on your oven, so watch for visual cues. The casserole is done when the top is beautifully golden brown, visibly puffed up, and the center is set. To check for doneness, insert a toothpick or small knife near the center. It should come out mostly clean, perhaps with a few moist crumbs clinging to it (not liquid batter). If the top starts browning too quickly before the center is cooked, you can loosely tent the dish with aluminum foil.
- Prepare the Glaze (Step 7): While the Cinnamon Roll Casserole is in the oven (around the 20-minute mark), prepare the boosted glaze. Open the reserved icing packets and scrape the contents into a small mixing bowl. Add the 1/4 cup powdered sugar. Start by adding 1 tablespoon of milk or cream. Whisk vigorously until the mixture is smooth and reaches a thick, yet drizzle-able consistency. Glaze Consistency Check: If the glaze is too thick, add the second tablespoon of milk, a few drops at a time, until the desired ribbon-like flow is achieved.
- Glaze and Serve (Step 8): Remove the casserole from the oven. Allow it to cool for only 5 minutes. Serving it slightly warm is best for melting the glaze and maximizing the gooey texture. Drizzle the prepared glaze generously over the warm Cinnamon Roll Casserole, ensuring every corner is covered. Serve immediately while the casserole is still warm.
For those who love deep, comforting flavors, you might want to consider dusting the top with flaky sea salt after glazing. This salty-sweet contrast elevates the flavor profile dramatically, similar to how sea salt is used to balance the caramel in a Salted Caramel Cheesecake.
Tips, Tricks, and Delicious Variations for Your Cinnamon Roll Casserole
While the basic recipe for this easy brunch bake is foolproof, applying a few expert tips can guarantee perfection, and utilizing variations can keep the recipe fresh for different occasions.
Avoiding Common Mistakes for a Perfectly Gooey Center
The biggest challenge with any bread pudding-style casserole is achieving a set center without drying out the edges. Here’s how to ensure success:
- Do Not Rush the Soak: The 5 to 10-minute resting period (Step 5) is mandatory. If you skip this, the exposed dough will cook quickly and brown, but the interior will remain dense and potentially raw because the custard hasn’t been absorbed properly.
- Use Room Temperature Ingredients (Optional but Helpful): While not strictly necessary, using eggs and cream that are closer to room temperature helps them emulsify better, leading to a smoother custard that soaks into the dough more efficiently.
- Pre-Melted Butter vs. Cooking Spray: Stick to the melted butter for greasing the dish. It adds a crucial layer of fat and flavor that prevents sticking better than cooking spray, especially with the high sugar content involved in the Cinnamon Roll Casserole.
- Check Your Oven Temperature: If your oven runs hot, reduce the temperature to 350°F (175°C) and increase the cooking time by 5-10 minutes. This will allow the center to cook before the top burns.
Make-Ahead and Storage Tips
This is an excellent make-ahead dish, perfect for busy holiday mornings:
Overnight Prep: Complete steps 1 through 5 (cutting rolls, making custard, pouring, and soaking). Cover the dish tightly with plastic wrap and refrigerate overnight (up to 12 hours). The next morning, remove the casserole from the fridge while the oven preheats (about 15-20 minutes). Since the dish is cold, you will need to increase the baking time by approximately 10–15 minutes (bake for 40-50 minutes total).
Storage: Leftovers can be stored in an airtight container in the refrigerator for up to 3 days. To reheat, microwave individual servings, or reheat the entire dish in a 300°F (150°C) oven until warmed through (about 15 minutes).
Creative Twists: Ingredient Alternatives and Flavor Variations
Once you master the base Cinnamon Roll Casserole, the possibilities for variation are endless:
- Nuts and Crunch: Before baking, sprinkle 1/2 cup of chopped pecans or walnuts over the top. This adds a delightful textural contrast. If you love crunchy pecan additions, check out our board dedicated to holiday baking inspiration on Pinterest.
- Fruity Fun: Add 1/2 cup of fresh or frozen berries (blueberries, raspberries) into the dough pieces before pouring the custard. The tartness of the fruit is a wonderful counterpoint to the sweetness.
- Seasonal Flavor Boost: For a fall-themed treat, swap 1/4 cup of the heavy cream for 1/4 cup of canned pumpkin puree and add an extra 1/2 teaspoon of pumpkin pie spice to the custard.
- Chocolate Decadence: Sprinkle 1/2 cup of mini chocolate chips over the rolls before the custard is poured.
- Gluten-Free Alternative: While not as readily available, some brands now offer refrigerated gluten-free cinnamon roll dough. The rest of the recipe (custard) is naturally gluten-free.
- Vegan Modification: This requires significant substitutions. Use two cans of vegan-friendly cinnamon rolls (many accidently vegan brands exist). Substitute the 4 large eggs with a commercial egg replacer, or use a combination of 1/2 cup applesauce and 1/4 cup cornstarch mixed with the cream. Use plant-based heavy cream (such as full-fat coconut cream or specific vegan heavy cream brands).
Experimenting with fillings and toppings, much like customizing a classic Jiffy Corn Casserole, is what makes this dish truly fun and personal. Whether you stick to the classic spiced custard or venture into chocolate and fruit territories, the inherent ease of the Cinnamon Roll Casserole remains its greatest charm.
Understanding the Nutritional Profile of Cinnamon Roll Casserole
It must be stated clearly: the Cinnamon Roll Casserole is an indulgent treat. It is designed to be rich, satisfying, and comforting, making it a wonderful choice for celebrations, special occasion brunches, or decadent desserts. It is not intended as an everyday dietary staple, but rather a delicious moment of enjoyment.
Disclaimer: Nutritional information is based on approximations and averages of commercial cinnamon roll dough and standard ingredient measurements. Exact values will vary depending on the specific brand of cinnamon rolls used (e.g., standard, Grands, reduced-fat) and the specific serving size.
Calorie Breakdown and Macro-Nutrients
This recipe yields 8 generous servings. Based on an average calculation using standard canned dough and heavy cream, the estimated nutritional profile per serving (before the optional boosted glaze) is as follows:
| Nutritional Component | Estimated Value (Per Serving) | Benefit/Role |
|---|---|---|
| Calories | 400–450 kcal | High-energy comfort food. |
| Total Fat | 20–25 g | Primarily from the dough, eggs, and heavy cream; essential for richness and flavor. |
| Saturated Fat | 10–12 g | Contributes to the dense, tender texture of the baked casserole. |
| Carbohydrates | 50–60 g | The primary source of energy, mostly from refined flour and sugars. |
| Sugars | 30–35 g | Provides the characteristic sweetness and helps caramelize the top layer. |
| Protein | 8–10 g | Sourced mainly from the eggs and dairy, providing structure and satiety. |
If you opt for the Boosted Glaze, add approximately 50-70 calories, 10-15g of carbohydrates, and 10-15g of sugar per serving.
Benefits of Key Ingredients
While this is a dessert, the ingredients still offer some functional benefits:
- Eggs: Eggs are a complete source of protein, providing essential amino acids, and are rich in vitamins D, B6, and B12, as well as minerals like iron. In this context, they also act as a natural emulsifier, binding the high-fat ingredients smoothly.
- Dairy (Heavy Cream/Milk): Provides significant calcium and Vitamin D, crucial for bone health. The fat in the cream contributes greatly to satiety, making this a satisfying start to a long day.
- Cinnamon and Nutmeg: Beyond flavor, both spices contain antioxidants. Cinnamon, in particular, has been studied for its potential properties in helping to regulate blood sugar, though you would need significantly more than 1 teaspoon spread over eight servings to achieve a therapeutic effect. Their main benefit here is providing warm, psychological comfort.
When enjoying this luxurious Cinnamon Roll Casserole, it is best enjoyed in moderation alongside lighter, fresh foods (like a fruit salad or yogurt) to create a balanced meal experience.
Frequently Asked Questions (FAQs) about Cinnamon Roll Casserole
Can I prepare this Cinnamon Roll Casserole overnight?
Yes, the Cinnamon Roll Casserole is an excellent overnight recipe. Complete steps 1 through 5, ensuring the dough soaks fully, then cover the dish tightly and refrigerate. In the morning, let it sit on the counter for 15-20 minutes while the oven preheats, and bake for an extra 10-15 minutes to compensate for the cold temperature.
What happens if I use skim milk instead of heavy cream?
Using skim milk will result in a less rich and slightly firmer casserole. Since skim milk has minimal fat, the resulting custard will be thinner, and the final texture might lean more toward a traditional bread pudding rather than the desired gooey, tender center. If substituting, use whole milk for the closest result.
Do I have to use two cans of cinnamon rolls?
Using two cans ensures the 9×13 inch dish is adequately filled, resulting in a casserole of the correct height and density for even cooking. If you only use one can, halve the custard recipe and bake in a much smaller dish (like an 8×8 or a loaf pan) to prevent the casserole from becoming thin and dry.
Can I add cream cheese to the custard for extra flavor?
Absolutely! Adding softened cream cheese enhances the richness and mimics the flavor of homemade cream cheese frosting. Whisk 4 ounces of softened cream cheese into the egg and cream mixture until completely smooth before adding the spices. This will make the Cinnamon Roll Casserole even more decadent.
How do I prevent the top from burning while the center bakes?
If you notice the top browning rapidly, typically around the 20-minute mark, simply tent the baking dish loosely with aluminum foil. This blocks direct heat, allowing the center to catch up in temperature without scorching the exposed dough pieces.
Final Thoughts on the Best Cinnamon Roll Casserole
The Cinnamon Roll Casserole is proof that culinary genius often lies in simplicity and smart shortcuts. By taking advantage of high-quality refrigerated dough and elevating it with a rich, custom-spiced custard, we have created a breakfast or dessert that truly tastes like it was made from scratch but required minimal effort.
This recipe provides a luxurious, warm hug in casserole form. Whether it’s the centerpiece of your holiday brunch, a quick weekend treat, or an easy dessert after a comforting meal like Creamy Chicken and Stuffing Casserole, this bake is guaranteed to elicit smiles. The perfect contrast between the crispy, golden edges and the soft, gooey, custard-soaked center makes every bite an experience.
Remember that the key to success lies in two simple actions: fully dissolving the brown sugar in the custard, and allowing that crucial 5 to 10-minute soak time. Once you master these steps, you will consistently produce a Cinnamon Roll Casserole that is far superior to simply baking the rolls individually.
We hope this recipe inspires you to embrace the ease and deliciousness of this wonderful dish. Try the boosted glaze it truly makes all the difference! If you bake this irresistible Cinnamon Roll Casserole, we’d love to hear about your experience and any variations you tried in the comments below. Share this recipe with friends and family who need a fast, festive brunch solution!
Easy Cinnamon Roll Casserole (Breakfast Bake)
Ingredients
Equipment
Method
- Preheat your oven to 375°F (190°C). Use the 2 tablespoons of melted butter to grease a 9x13 inch baking dish, ensuring the sides are well coated to prevent sticking.
- Remove the cinnamon rolls from the cans and set the included icing packets aside. On a clean cutting board, cut each cinnamon roll into quarters (four pieces per roll). Place the cut pieces directly into the prepared 9x13 inch baking dish.
- In a large mixing bowl, whisk together the 4 large eggs until they are lightly beaten and frothy. Pour the heavy cream or whole milk into the egg mixture.
- Add the granulated sugar, light brown sugar, vanilla extract, ground cinnamon, and ground nutmeg. Whisk this mixture thoroughly until the sugars are completely dissolved and the ingredients are well combined into a smooth custard.
- Pour the prepared custard mixture evenly over the cut cinnamon roll pieces in the baking dish. Gently toss or stir the rolls to ensure all pieces are coated and submerged in the custard. Allow the casserole to sit and soak for 5 to 10 minutes.
- Place the baking dish into the preheated 375°F (190°C) oven. Bake for 30 to 35 minutes, or until the casserole is golden brown on top, puffed up, and the center is set (a toothpick inserted near the center should come out clean).
- While the casserole is baking, prepare the boosted glaze. Open the reserved icing packets and scrape the contents into a small mixing bowl. Add the powdered sugar and 1 tablespoon of milk or cream. Whisk until smooth and a drizzle consistency is reached. If the glaze is too thick, add the second tablespoon of milk, a few drops at a time.
- Remove the casserole from the oven and allow it to cool for 5 minutes. Drizzle the prepared glaze generously over the warm casserole. Serve immediately while the casserole is still warm.
