Overnight French Toast Casserole Recipe

Dreamy Overnight French Toast Casserole Recipe for Lazy Mornings

Crafting a delightful overnight french toast casserole can revolutionize your morning breakfast routine.

Morning meals become magical when you prep the night before.

Soft bread cubes soak up a rich custard, promising incredible flavor depth.

Weekends deserve something special that feels like a warm culinary hug.

Minimal effort yields maximum deliciousness with this make-ahead marvel.

Each bite promises a perfect balance of crispy edges and tender center.

Prepare to surprise everyone at the breakfast table with this crowd-pleasing dish that feels like pure comfort.

Store and Reheat Overnight Casserole the Right Way

  • Store leftover French toast casserole in an airtight container within 2 hours of cooking. Keep refrigerated for up to 3-4 days.
  • Wrap tightly in plastic wrap and aluminum foil. Freeze for maximum 1 month. Label container with date for tracking.
  • Preheat oven to 350°F. Cover casserole with foil to prevent drying. Warm for 15-20 minutes until heated through. Remove foil for last 5 minutes to crisp top.
  • Reheat individual portions for 30-45 seconds. Check temperature and add extra time if needed. Avoid overheating to maintain texture and prevent rubbery consistency.

What to Serve with French Toast Casserole

  • Brew Rich Morning Coffee: Dark roast coffee perfectly complements the sweet cinnamon notes, cutting through the creamy richness and enhancing the casserole's warm spices.
  • Pair with Fresh Berries: Tart strawberries or blueberries provide a bright, tangy contrast to the sweet, custardy French toast, adding a refreshing element to the breakfast.
  • Serve with Crispy Bacon: Salty, crunchy bacon creates a delightful flavor balance against the sweet, soft casserole, offering a savory counterpoint that elevates the entire meal.
  • Create Maple Syrup Drizzle: Warm maple syrup enhances the casserole's sweetness, adding a luxurious touch and bringing out the caramelized flavors of the cinnamon-spiced dish.

Sweet and Savory Takes on French Toast Casserole

  • Gluten-Free Delight: Replace regular bread with gluten-free bread slices, ensuring those with wheat sensitivities can enjoy the same rich, custardy breakfast.
  • Dairy-Free Option: Swap half and half with coconut milk or almond milk, use dairy-free margarine for topping, making it suitable for lactose-intolerant individuals.
  • Low-Sugar Version: Substitute granulated sugar with monk fruit sweetener or stevia, reducing overall sugar content while maintaining a delicious flavor profile.
  • Protein-Packed Variation: Incorporate protein powder into the egg mixture or add chopped nuts like almonds or pecans to the topping for extra nutritional boost.

FAQs

  • What type of bread works best for this recipe?

Day-old or slightly stale bread like brioche, challah, or French bread are ideal because they absorb the custard mixture better without falling apart and maintain a nice texture when baked.

  • Can I prepare this casserole the same day I want to serve it?

While overnight refrigeration is recommended for best results, you can prepare and bake the casserole within 2-3 hours if you’re short on time. The bread might not absorb the custard as thoroughly, but it will still taste delicious.

  • Is it possible to make this recipe gluten-free?

Yes, simply substitute the regular bread with gluten-free bread. Choose a sturdy variety that can hold up to the custard mixture without becoming too soggy. Ensure all other ingredients are also gluten-free.

  • How can I make this casserole less sweet?

Reduce the amount of granulated sugar in the custard mixture or use less sweet toppings. You can also add a sprinkle of salt or use unsweetened whipped cream to balance the sweetness.

What Makes Overnight French Toast Casserole Delicious

  • Crowd-Pleasing Comfort: Perfect for family gatherings, brunches, or holiday mornings. This French toast casserole brings everyone together with its warm, cozy flavors and irresistible aroma.
  • Customizable Delight: Easily adapt the recipe by swapping bread types, adding fresh berries, or experimenting with different spices. The versatile base welcomes creative twists to suit any taste preference.
  • Minimal Cleanup Magic: Uses just a few simple bowls and a baking dish, making this recipe a dream for those who hate washing dishes. Enjoy a delectable breakfast without the kitchen chaos.

Ingredients for Overnight French Toast Bake

Bread Base:
  • Bread Slices: Soft, day-old bread perfect for soaking up delicious custard.
Dairy Mix:
  • Eggs, Half and Half, Milk: Creamy mixture that creates a rich, custardy base.
Sweeteners and Spices:
  • Granulated Sugar, Vanilla Extract, Ground Cinnamon, Ground Nutmeg, Salt: Warm, sweet flavors that make the dish comforting and aromatic.
Topping:
  • Butter, Brown Sugar, All-Purpose Flour, Ground Cinnamon: Crumbly, sweet mixture that adds a delightful crunch on top.

How to Prepare French Toast Casserole Easily

Step 1: Prepare Baking Dish

Grab a 9×13-inch baking dish and generously coat the interior with butter or cooking spray.

This prevents sticking and ensures easy serving later.

Step 2: Layer Bread Slices

Carefully arrange bread slices in neat rows, allowing them to slightly overlap.

This creates a delightful texture and ensures even soaking of the custard mixture.

Step 3: Whip Up Magical Custard

In a spacious mixing bowl, create a luscious custard by whisking together:
  • Eggs
  • Half and half
  • Milk
  • Granulated sugar
  • Vanilla extract
  • Ground cinnamon
  • Ground nutmeg
  • Salt

Pour this creamy mixture evenly over the bread, making sure every slice gets perfectly saturated.

Step 4: Chill Overnight

Cover the dish with foil and let it rest in the refrigerator overnight.

This allows the bread to absorb all the delicious flavors.

Step 5: Prepare Crunchy Topping

In a separate bowl, mix together your topping ingredients until well combined.

Step 6: Bake to Perfection

Preheat the oven to 350°F.

Spread the prepared topping generously over the soaked bread slices.

Bake for 35-40 minutes until the casserole is beautifully puffed and golden brown.

Step 7: Serve and Enjoy

Remove from the oven and let it cool slightly.

Serve warm with a sprinkle of powdered sugar or a drizzle of maple syrup for an irresistible breakfast treat.

Pro Tips for a Soft and Flavorful French Toast Bake

  • Choose day-old, thick-cut bread like brioche or challah for the best texture and absorption of custard mixture.
  • Let the casserole rest in the refrigerator for at least 8 hours to allow bread to fully absorb the creamy egg mixture, creating a rich, custardy result.
  • Blot excess moisture from bread before assembling to ensure a crisp, not mushy, bottom layer in your french toast casserole.
  • Experiment with different nuts, like pecans or almonds, or add fresh berries to the streusel topping for extra flavor and crunch.
  • Prepare the entire casserole up to 24 hours in advance, making it perfect for stress-free weekend brunches or holiday mornings.
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Overnight French Toast Casserole Recipe

Overnight French Toast Casserole Recipe


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4.8 from 12 reviews

  • Total Time: 55 minutes
  • Yield: 8 1x

Description

Irresistible Overnight French Toast Casserole brings comfort and indulgence straight from traditional French kitchens. Warm spices, rich custard, and golden-crisp edges promise a delightful breakfast experience that will make morning gatherings memorable for all.


Ingredients

Scale

Overnight French Toast Casserole

Main Ingredients:

  • 1 loaf French bread (or thick Texas toast), sliced
  • 8 eggs
  • 2 cups (473 milliliters) half and half
  • 1/2 cup (118 milliliters) milk

Sweeteners and Seasonings:

  • 3 tablespoons granulated sugar
  • 1 1/2 teaspoons pure vanilla extract
  • 1/2 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1/2 teaspoon salt

Cinnamon Crunch Topping:

  • 1 1/2 sticks (170 grams) butter, softened
  • 1 cup (200 grams) light brown sugar, packed
  • 1 tablespoon light corn syrup (optional)
  • 1 teaspoon ground cinnamon
  • 1/2 teaspoon ground nutmeg

Instructions

  1. Generously lubricate a 9×13-inch baking vessel with butter or non-stick cooking spray.
  2. Create a layered arrangement of bread slices in neat, slightly overlapping rows within the prepared dish.
  3. In a spacious mixing bowl, thoroughly combine eggs, half and half, milk, granulated sugar, vanilla extract, ground cinnamon, ground nutmeg, and salt using a whisk.
  4. Delicately cascade the liquid mixture over the bread, ensuring comprehensive and uniform coverage of each slice.
  5. Securely shield the dish with aluminum foil and allow it to rest and absorb flavors in the refrigerator throughout the night.
  6. Remove the casserole from the refrigerator approximately 30 minutes before baking to reach room temperature.
  7. Preheat the oven to a precise 350°F.
  8. Craft the topping by blending all designated ingredients in a medium-sized bowl until thoroughly integrated.
  9. Distribute the prepared topping evenly across the surface of the soaked bread slices.
  10. Position the casserole in the preheated oven and bake for 35-40 minutes, monitoring until the dish becomes beautifully puffed and displays a golden-brown complexion.
  11. Once completed, extract from the oven and allow a brief cooling period before serving.

Notes

  • Ensure bread is day-old or slightly stale for better absorption of egg mixture, preventing soggy texture.
  • Use sturdy bread like brioche or challah for richer flavor and more robust structure during baking.
  • For gluten-free option, substitute regular bread with gluten-free bread or cubed gluten-free challah.
  • Reduce sugar content by using monk fruit sweetener or cutting granulated sugar by half for healthier version.
  • Prep Time: 15 minutes
  • Cook Time: 35-40 minutes
  • Category: Breakfast, Dessert
  • Method: Baking
  • Cuisine: French

Nutrition

  • Serving Size: 8
  • Calories: 400
  • Sugar: 15 g
  • Sodium: 350 mg
  • Fat: 22 g
  • Saturated Fat: 12 g
  • Unsaturated Fat: 10 g
  • Trans Fat: 1 g
  • Carbohydrates: 45 g
  • Fiber: 2 g
  • Protein: 8 g
  • Cholesterol: 150 mg
Angelina Wiles

Angelina Wiles

Content Editor & Culinary Enthusiast

Expertise

Food Writing and Editing, Vegetarian and Vegan Cuisine, Baking and Pastry Arts, Sustainable Cooking Practices​

Education

Portland Community College
Certificate in Culinary Arts
Focus: Emphasis on sustainable cooking practices, vegetarian cuisine, and food writing.​

​Oregon Culinary Institute
Diploma in Baking and Pastry Arts
Focus: Specialized training in artisanal baking, pastry techniques, and dessert presentation.


Angelina’s love for cooking started with handwritten family recipes and weekend trips to farmers’ markets around Portland. She followed her passion with a Certificate in Culinary Arts from Portland Community College, then perfected her sweet side with a Diploma in Baking and Pastry Arts at Oregon Culinary Institute.
Angelina believes recipes should feel like a conversation, not a science project. She’s all about helping readers trust themselves in the kitchen with simple steps, fresh ideas, and easy twists on classic meals.
When she’s not editing recipes, she’s baking bread, sipping coffee, or getting inspired by the changing seasons.

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