Warm custardy breakfast casserole

Featured in: Warm Baked Recipes

This warm custardy casserole blends day-old brioche or challah bread cubes soaked in a mixture of eggs, milk, cream, sugar, vanilla, and cinnamon. After drizzling a buttery brown sugar topping, it’s refrigerated to soak fully before baking until golden brown. Perfectly balanced with soft custard and crisp top, this dish offers comforting flavors ideal for a breakfast treat or brunch centerpiece.

Enhance it with nuts for crunch or pair with fresh berries or maple syrup for added richness. Easy to prepare and satisfying to serve, it’s a classic dish bringing gentle warmth and sweetness to the table.

Updated on Tue, 18 Nov 2025 11:32:00 GMT
Golden-brown French Toast Bake, a perfect breakfast casserole with cinnamon-infused custard and warm bread. Pin It
Golden-brown French Toast Bake, a perfect breakfast casserole with cinnamon-infused custard and warm bread. | juniperbite.com

A warm, comforting breakfast casserole featuring custardy day-old bread, baked to golden perfection with hints of cinnamon and vanilla.

This French Toast Bake first became a weekend favorite at our house when I needed something special for brunch guests. It's always a hit, and there's never a crumb left!

Ingredients

  • Bread: 1 loaf (about 400 g) day-old bread (such as brioche or challah), cut into 2.5 cm (1-inch) cubes
  • Custard: 6 large eggs, 500 ml (2 cups) whole milk, 120 ml (1/2 cup) heavy cream, 100 g (1/2 cup) granulated sugar, 2 tsp pure vanilla extract, 1 tsp ground cinnamon, 1/4 tsp salt
  • Topping: 2 tbsp unsalted butter, melted, 2 tbsp brown sugar, 1/2 tsp ground cinnamon

Instructions

Prepare Bread:
Grease a 23 x 33 cm (9 x 13 inch) baking dish with butter or cooking spray. Spread the bread cubes evenly in the dish.
Make Custard:
In a large bowl, whisk together eggs, milk, heavy cream, sugar, vanilla extract, cinnamon, and salt until fully combined.
Soak Bread:
Pour the custard mixture evenly over the bread cubes, pressing gently to ensure all pieces are soaked.
Add Topping:
In a small bowl, mix melted butter, brown sugar, and cinnamon. Drizzle this mixture over the top of the casserole.
Chill:
Cover and refrigerate for at least 30 minutes, or overnight for best results.
Preheat Oven:
Preheat oven to 175°C (350°F). Remove dish from refrigerator and let sit at room temperature while the oven heats.
Bake:
Bake uncovered for 35–40 minutes, or until the top is golden brown and custard is set.
Serve:
Let cool for 5 minutes before serving. Serve warm, optionally with maple syrup, fresh berries, or powdered sugar.
A comforting baked French Toast Bake with glistening, caramelized topping, perfect for serving with fresh berries. Pin It
A comforting baked French Toast Bake with glistening, caramelized topping, perfect for serving with fresh berries. | juniperbite.com

My kids love helping layer the bread cubes in the dish, and watching the bake turn golden in the oven is always a treat for the whole family.

Required Tools

You'll need a 23 x 33 cm (9 x 13 inch) baking dish, mixing bowls, whisk, measuring cups, and spoons.

Allergen Information

This recipe contains eggs, dairy, and gluten. Always check your bread ingredients if allergies are a concern.

Nutritional Information

Each serving has about 320 calories, 13 g total fat, 40 g carbohydrates, and 10 g protein.

Imagine a hearty French Toast Bake, the fluffy bread soaked in a creamy custard, ready for the oven. Pin It
Imagine a hearty French Toast Bake, the fluffy bread soaked in a creamy custard, ready for the oven. | juniperbite.com

This casserole is perfect for lazy weekend mornings or holiday brunches. Enjoy with your favorite toppings and savor every bite!

Questions About This Recipe

What type of bread works best?

Day-old brioche or challah bread cubes are ideal, offering a soft yet sturdy texture that absorbs the custard well.

Can I prepare the casserole ahead of time?

Yes, refrigerate the assembled casserole for at least 30 minutes or overnight to allow the bread to soak in the custard deeply.

How do I know when it’s fully baked?

The top should be golden brown and the custard set without any liquid jiggle in the center.

Can I add nuts or toppings?

Adding chopped pecans or walnuts to the buttery topping creates a delightful crunchy contrast to the soft custard.

Are there suitable substitutions for dairy?

You can use plant-based milk and cream alternatives, and gluten-free bread to accommodate dietary needs.

What complements this dish well?

Fresh fruit, a drizzle of maple syrup, or a dollop of whipped cream pairs beautifully with the casserole’s warm flavors.

Warm custardy breakfast casserole

Comforting custardy casserole with day-old bread, cinnamon, and vanilla baked to a golden finish.

Prep Time
15 minutes
Cook Time
40 minutes
Total Duration
55 minutes
Juniper Bite Chloe Fischer

Dish Type Warm Baked Recipes

Skill Level Easy

Cuisine American

Serves 6 Number of Servings

Dietary Info Vegetarian-Friendly

What You’ll Need

Bread

01 1 loaf day-old brioche or challah bread, cut into 1-inch cubes

Custard

01 6 large eggs
02 2 cups whole milk
03 1/2 cup heavy cream
04 1/2 cup granulated sugar
05 2 teaspoons pure vanilla extract
06 1 teaspoon ground cinnamon
07 1/4 teaspoon salt

Topping

01 2 tablespoons unsalted butter, melted
02 2 tablespoons brown sugar
03 1/2 teaspoon ground cinnamon

Directions

Step 01

Prepare baking dish and bread: Grease a 9 x 13-inch baking dish with butter or cooking spray. Spread the bread cubes evenly in the dish.

Step 02

Mix custard ingredients: In a large bowl, whisk together eggs, whole milk, heavy cream, granulated sugar, vanilla extract, ground cinnamon, and salt until fully combined.

Step 03

Combine custard with bread: Pour the custard mixture evenly over the bread cubes, pressing gently to ensure all pieces are soaked.

Step 04

Prepare topping: In a small bowl, mix melted butter, brown sugar, and ground cinnamon. Drizzle this mixture over the top of the casserole.

Step 05

Refrigerate overnight: Cover and refrigerate for at least 30 minutes, or overnight for best flavor and texture.

Step 06

Preheat oven and rest casserole: Preheat the oven to 350°F. Remove the dish from the refrigerator and let it sit at room temperature while the oven heats.

Step 07

Bake until golden: Bake uncovered for 35 to 40 minutes, or until the top is golden brown and the custard is fully set.

Step 08

Cool and serve: Allow to cool for 5 minutes before serving. Enjoy warm, optionally with maple syrup, fresh berries, or powdered sugar.

Kitchen Gear Needed

  • 9 x 13-inch baking dish
  • Mixing bowls
  • Whisk
  • Measuring cups and spoons

Allergen Details

Always check what goes in for allergens, and talk to your doctor if you’re unsure.
  • Contains eggs, dairy, and gluten (wheat). Verify bread ingredients if allergies apply.

Nutrition Information (each serving)

This info’s just a guide, not medical advice.
  • Calories: 320
  • Fats: 13 g
  • Carbohydrates: 40 g
  • Proteins: 10 g