This Make-Ahead Brioche French Toast Casserole is fluffy on the inside and crispy on the outside and really easy to make. The perfect breakfast for a crowd. Enjoy during the holidays or as any weekend brunch.

If you love French toast, you will love this brioche French toast casserole. It's fluffy, sweet and filled with cinnamon. The perfect base for soaking up maple syrup.
No need to stand over the stove and flip individual pieces of bread, this bake is easy to put together and even easier to cook.
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Why You'll Love this Recipe
- Make ahead and freezer-friendly. Whether you are soaking this French toast casserole overnight to enjoy the next morning or freezing to enjoy at a later date, this recipe works.
- Perfect for Christmas morning. This is the ideal breakfast recipe for holiday mornings. The whole family can enjoy it with their favorite toppings.
- Easy to make. You only need 6 ingredients + toppings for this recipe and prep time is just 10 minutes.
Ingredients & Substitutions
- Bread- I love using brioche in this French toast bake because it's rich, made with eggs and butter and has the perfect hint of sweetness. Sourdough, challah bread and a French baguette will also work.
- Milk- use whatever milk you have on hand, dairy or non-dairy will work. I used oat milk.
- Sugar- use brown sugar or coconut sugar for this recipe.
Equipment Needed
Grab what you need for this recipe:
- Knife
- Cutting board
- 9x13 inch baking or casserole dish
- Mixing bowl
- Whisk
- Aluminum foil
- Measuring spoons needed: 1 teaspoon, ⅓ cup, ½ cup and 1 cup.
Instructions
This brioche French toast casserole comes together in a few easy steps.
- Slice the bread and place into a baking dish.
- Whisk the egg mixture and pour over the bread.
- Soak overnight or for a few hours.
- Bake until golden and serve.
FAQs
No, you can prep and bake the French toast at the same time. However, it will make things easier for you in the morning, especially if it's Christmas morning if you prep ahead of time. It also allows the bread more time to soak in the egg mixture.
Yes! Prepare the casserole in a freezer-safe baking pan and bake as outlined below. Cool the French toast completely, then cover it with a lid or aluminum foil and freeze for 2-3 months. Defrost it completely in the fridge the day before baking and reheat at 350 degrees F uncovered for 20-30 minutes.
You can also freeze the French toast uncooked. Allow it to defrost and then bake it according to the directions.
Yes, use gluten-free bread for this recipe. It should still turn out delicious.
Toppings
The best part about this recipe is that everyone can customize it to their liking and add their favorite toppings. Here are some ideas:
- Caramelized bananas
- Honey or maple syrup
- Whipped cream
- Fresh or frozen, melted berries
- Powdered sugar
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Recipe
Brioche French Toast Casserole
Equipment
Ingredients
- 1 brioche loaf
- 6 eggs
- 2 ½ cups milk of choice
- 2 teaspoons cinnamon
- 1 teaspoon vanilla extract
- ⅓ cup brown or coconut sugar
Instructions
- Lightly grease a 13x9 inch baking or casserole dish. Cut brioche loaf into ½ inch slices and place in the dish.
- In a large bowl, whisk together eggs, milk, cinnamon, vanilla and sugar. Pour over the slices of brioche, making sure to cover evenly. Make sure the bread is fully coated.
- Cover the dish with aluminum foil and place in the fridge to soak overnight.
- When ready to bake, remove from the fridge, preheat the oven to 350 degrees F and bake for 25 minutes covered with foil. Remove foil and bake for another 25 minutes until golden brown.
- Let cool for 5 minutes before slicing. Serve with a sprinkle of powdered sugar, maple syrup and fresh berries. Enjoy!
If you make this recipe, please leave a rating and a comment. I love to know what you are making and ratings help me to create more delicious recipes for you!
Nutrition
Nutritional information is based on third-party calculations and should be considered estimates. Actual nutritional content will vary with brands used, measuring methods, portion sizes and more.
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