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Toast Casserole Recipe

Published: Mar 28, 2026 by Chef Ava · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 3.8 from 6 reviews

If you’re searching for the ultimate cozy breakfast or a dessert that feels like a warm hug, this Toast Casserole Recipe is exactly what you need. Imagine tender cubes of sourdough bread soaked in a rich, creamy custard, then baked beneath a delightful crumb topping packed with cinnamon and brown sugar. Every bite is a perfect balance of soft, sweet, and buttery textures that will have you wanting seconds, maybe even thirds. This dish is incredibly simple to prepare but yields an impressive flavor that’s perfect for weekend brunches, holiday mornings, or whenever you crave comfort food at its finest.

Ingredients You'll Need

A clear glass dish filled with many small cubes of white bread with light golden crusts, spread evenly across one layer inside the dish. The bread pieces have a soft, airy texture and are arranged loosely without stacking, showing both crusty edges and fluffy interiors. The dish is sitting on a white marbled surface with warm natural lighting highlighting the different textures of the bread. photo taken with an iphone --ar 4:5 --v 7

The beauty of this Toast Casserole Recipe lies in its straightforward ingredients, each playing a crucial role to create the harmonious flavors and textures you love. The combination of bread, eggs, cream, and a luscious topping creates a balance of custardy softness and crispy sweetness that’s utterly irresistible.

  • 24-ounce loaf sourdough bread: Offers a sturdy, tangy base that soaks up the custard perfectly, though brioche, challah, or French bread works just as well for a richer taste.
  • 8 large eggs: Acts as the key binding ingredient to create that custardy texture throughout the casserole.
  • 2 cups milk: Adds moisture and lightness to the custard, balancing the heaviness of the cream.
  • ½ cup heavy cream: Provides richness that makes every bite feel indulgent and velvety.
  • 1 tablespoon vanilla extract: Instills a warm, aromatic sweetness that laces through the entire dish.
  • ¾ cup sugar: Sweetens the custard just enough without overpowering the natural flavors.
  • ½ cup all-purpose flour: Forms the foundation of the crumb topping, giving it structure and a satisfying crunch.
  • ½ cup packed light brown sugar: Imparts a deep, caramel-like sweetness to the topping, elevating every forkful.
  • 1 teaspoon ground cinnamon: Infuses the dish with a cozy spice that melds beautifully with the sugars.
  • ¼ teaspoon salt: Enhances all the other flavors and balances sweetness perfectly.
  • ½ cup cold unsalted butter, cut into pieces: Helps create a crumbly, golden-brown topping that contrasts delightfully with the soft bread.

How to Make Toast Casserole Recipe

Step 1: Prepare the Bread Base

Begin by cutting your bread into 1-inch cubes. This size ensures each piece soaks up the custard just right without becoming mushy. Spread the cubes evenly in a well-greased 9x13-inch baking dish to create an even layer that will cook uniformly and soak up all those luscious flavors.

Step 2: Whisk Together the Custard

In a medium bowl, mix together the eggs, milk, heavy cream, vanilla extract, and sugar until fully combined. This creamy custard mixture is what transforms your bread into a heavenly, soft texture once baked. Pour this mixture evenly over the bread cubes, allowing every corner to get soaked.

Step 3: Refrigerate to Soak

Cover your dish tightly with plastic wrap and refrigerate for at least 4 hours, though overnight is best. This soaking time lets the bread absorb the custard deeply, ensuring each bite is rich and custardy rather than dry or crumbly.

Step 4: Prepare the Crumb Topping

While the casserole soaks, mix together the flour, brown sugar, cinnamon, and salt in a separate bowl. Cut the cold butter pieces into the dry ingredients until the mixture forms coarse crumbs. To keep it perfect, pop this topping into a small resealable plastic bag and refrigerate it overnight alongside the casserole. This step ensures the topping stays crumbly and ready to create that delightful crunch.

Step 5: Bake to Perfection

When you’re ready to bake, preheat your oven to 350 degrees Fahrenheit. Remove the plastic wrap from the casserole and evenly sprinkle the chilled crumb topping over the soaked bread. Bake uncovered for 45 to 60 minutes depending on how soft or firm you prefer your casserole. The top should turn golden brown and smell absolutely irresistible.

How to Serve Toast Casserole Recipe

The image shows a clear rectangular glass dish filled with a layered dessert. The bottom layer is a smooth creamy light yellow custard. Above this custard are many large soft white bread cubes, scattered evenly across the dish. The top layer is a crumbly mixture with a light brown color, spread thickly over the bread cubes. The dish is placed on a warm wooden surface. The texture of the crumbs looks slightly coarse and the bread cubes have a soft, almost fluffy appearance. photo taken with an iphone --ar 4:5 --v 7

Garnishes

Simple garnishes like a light dusting of powdered sugar or a few fresh berries can brighten this rich dish beautifully. A drizzle of maple syrup or a dollop of whipped cream adds sweetness and creaminess that complements the cinnamon sugar crust perfectly.

Side Dishes

This casserole pairs wonderfully with fresh fruit salad or a crisp green salad to balance its richness. A side of bacon or sausage provides a savory contrast that makes the meal feel complete, especially for brunch.

Creative Ways to Present

For a festive touch, serve the Toast Casserole Recipe in individual ramekins for personal portions or create a beautiful centerpiece by garnishing with edible flowers or finely chopped nuts. You can even add a swirl of flavored cream cheese or mascarpone for an extra indulgent twist.

Make Ahead and Storage

Storing Leftovers

Leftover Toast Casserole Recipe keeps well in the refrigerator for up to three days when covered tightly with foil or plastic wrap. The flavors actually deepen after resting overnight, making for a delicious next-day breakfast or snack.

Freezing

If you want to save some for later, you can freeze the baked casserole in airtight containers for up to two months. For best texture, thaw it overnight in the fridge before reheating.

Reheating

Reheat leftovers in a 350-degree oven for 15 to 20 minutes until warmed through and the crumb topping regains its crispness. Avoid microwaving as it can make the casserole soggy.

FAQs

Can I use different types of bread for this Toast Casserole Recipe?

Absolutely! While sourdough is recommended for its flavor and structure, brioche, challah, or even French bread can be fantastic substitutes, each bringing their own unique richness or texture to the dish.

Is it necessary to refrigerate the casserole overnight?

Refrigerating for at least 4 hours allows the bread to soak up the custard fully, resulting in a softer, more cohesive texture. Overnight soaking yields the best results but isn’t mandatory if you’re short on time.

Can I make this recipe dairy-free?

Yes, you can swap the milk and heavy cream for dairy-free alternatives like almond or oat milk and coconut cream. Keep in mind that the texture may be slightly different, but the casserole will still be delicious.

How do I make the crumb topping crunchy instead of soggy?

Using cold butter cut into the dry ingredients helps form a crumbly mixture that crisps beautifully. Also, refrigerating the topping until baking keeps it from melting too quickly and becoming soggy.

Can I add fruit or nuts to the Toast Casserole Recipe?

Definitely! Fresh or dried fruits like blueberries, apples, or raisins can be mixed into the bread layer, and chopped nuts such as pecans or walnuts work wonders in the crumb topping for added texture and flavor.

Final Thoughts

This Toast Casserole Recipe is a shining example of how simple ingredients can come together to create something truly special. Whether you’re sharing it with family on a chilly morning or serving it as a sweet treat, it’s sure to bring smiles and a bit of comfort to the table. I can’t wait for you to give it a try and make it your own go-to breakfast or dessert masterpiece.

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Toast Casserole Recipe

Toast Casserole Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

3.8 from 6 reviews

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This delicious and comforting Toast Casserole is a perfect make-ahead breakfast or brunch dish. Featuring cubes of sourdough bread soaked in a rich custard of eggs, milk, cream, and vanilla, it is topped with a sweet, crumbly cinnamon-brown sugar streusel. Refrigerated overnight to meld the flavors and achieve perfect custardy softness, it bakes until golden and irresistible. Ideal for feeding a crowd, this easy casserole combines creamy texture with a delightful crunchy topping for ultimate morning indulgence.

  • Total Time: 5 hours (includes chilling time)
  • Yield: 8 servings

Ingredients

Base

  • 1 (24-ounce) loaf sourdough bread (or brioche, challah, or French bread), cut into 1-inch cubes
  • 8 large eggs
  • 2 cups milk
  • ½ cup heavy cream
  • 1 tablespoon vanilla extract
  • ¾ cup sugar

Topping

  • ½ cup all-purpose flour
  • ½ cup packed light brown sugar
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon salt
  • ½ cup cold unsalted butter, cut into pieces

Instructions

  1. Prepare the Bread: Cut the bread into 1-inch cubes and scatter them evenly in a greased 9-x-13-inch baking dish to create the base layer.
  2. Make the Custard: In a medium bowl, whisk together the eggs, milk, heavy cream, vanilla extract, and sugar until thoroughly combined. Pour this mixture evenly over the bread cubes, ensuring all pieces are soaked.
  3. Chill Overnight: Cover the baking dish tightly with plastic wrap and refrigerate for at least 4 hours or preferably overnight to allow the bread to soak up the custard fully.
  4. Prepare the Topping: In another bowl, mix together the flour, brown sugar, cinnamon, and salt. Cut the cold butter into this dry mixture using a pastry cutter or fingers until the texture becomes crumbly. Transfer the topping to a small resealable plastic bag and refrigerate overnight.
  5. Preheat Oven: When ready to bake, remove the casserole and topping from the refrigerator, and preheat your oven to 350 degrees Fahrenheit (175 degrees Celsius).
  6. Add Topping: Unwrap the baking dish and evenly sprinkle the prepared crumbly topping over the soaked bread custard.
  7. Bake: Place the casserole uncovered in the oven and bake for 45-60 minutes. Baking time depends on your preferred softness; towards the shorter time for a softer custard, longer for a firmer set and golden topping.

Notes

  • Using sourdough imparts a slight tang, but brioche or challah will offer a richer, sweeter base.
  • Make sure the butter is cold when cutting it into the topping to achieve a crumbly texture.
  • The soaking time can be extended overnight for best results; the bread will absorb more custard and improve texture.
  • For a dairy-free version, substitute milk and cream with plant-based alternatives.
  • Serve warm with maple syrup or fresh fruits for an extra special touch.
  • Leftovers can be refrigerated and reheated gently in the oven or microwave.
  • Author: Chef
  • Prep Time: 20 minutes
  • Cook Time: 45-60 minutes
  • Category: Breakfast Casserole
  • Method: Baking
  • Cuisine: American

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Hi and welcome to Ava’s Cooking
I'm Ava, a 27 year old chef from Marseille, France, and I'm so glad you found your way here.

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