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

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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.

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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

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