Traditional French Toast Casserole

When I first made this Traditional French Toast Casserole, the kitchen smelled like a bakery and everyone asked for seconds. It’s a simple, one-dish breakfast or brunch that takes ordinary bread and turns it into a custardy, golden bake that feeds a crowd. If you like fruity versions, I often pair it with an overnight blueberry French toast casserole for a brunch spread that covers every taste.

Why you’ll love this dish

This casserole is forgiving, family-friendly, and perfect for mornings when you want something impressive without fuss. It stretches a loaf of bread into a hearty meal, so it’s economical. The custard soaks into the bread and then bakes to a crisp top with a soft, pudding-like center. It’s ideal for weekend brunches, holiday mornings, or any time guests are coming over.

"A weekend favorite: crispy golden top, creamy inside, and everyone goes back for more."

For a sweeter twist or a bite-sized option at parties, try a companion recipe like the cinnamon roll French toast bites.

Step-by-step overview

This recipe is straightforward. Cube the bread, whisk the custard, pour it over the bread and press to soak. Drizzle melted butter on top, let it rest briefly, then bake until golden and set. You can assemble the night before for an easy make-ahead breakfast.

What you’ll need

• 1 loaf brioche, challah, or French bread, cut into 1-inch cubes (use day-old or slightly stale for best soaking)
• 6 large eggs
• 2 cups whole milk (or use 2% for a lighter version)
• 1/2 cup granulated sugar
• 1 tablespoon vanilla extract
• 1 teaspoon ground cinnamon
• 1/4 teaspoon salt
• 1/2 cup unsalted butter, melted

Ingredient notes

• Bread: brioche or challah gives the richest result because of their higher fat content; white French bread works well too.
• Milk: whole milk makes a creamier custard; you can substitute half-and-half for extra richness or a non-dairy milk like oat for a dairy-free variation (see Variations).
• Sugar and cinnamon: adjust to taste. Add orange zest or nutmeg for a flavor lift.

Step-by-step instructions

1. Preheat the oven to 350°F.
2. Grease a 9×13-inch baking dish with butter or nonstick spray.
3. Spread the bread cubes evenly in the prepared dish.
4. In a large bowl, whisk together the eggs, milk, sugar, vanilla, cinnamon, and salt until smooth.
5. Pour the custard evenly over the bread. Press the bread down lightly so it absorbs the liquid.
6. Drizzle the melted butter over the top in an even layer.
7. Let the dish sit for 10 minutes so the bread soaks up the custard. For a make-ahead option, cover and refrigerate up to overnight.
8. Bake uncovered for about 40 minutes, or until the top is golden and the center is set.
9. Remove from the oven and let cool briefly before slicing. Serve warm with maple syrup, a dusting of powdered sugar, or fresh berries.

Best ways to enjoy it

Serve slices warm on a platter for guests. Top with pure maple syrup and a handful of fresh berries for brightness. For a brunch buffet, offer bowls of toasted nuts, whipped cream, and fruit compote so people can customize their slices. This also pairs nicely with a simple green salad for a sweet-and-savory weekend meal.

Storage and reheating tips

Refrigerate leftovers in an airtight container for up to 3 days. To reheat, warm individual slices in a 350°F oven for 8 to 10 minutes or in a toaster oven until heated through to keep the top crisp. You can freeze baked slices for up to 1 month: wrap tightly in plastic wrap and place in a freezer bag. Thaw overnight in the fridge and reheat as above. For food safety, discard any custard-based leftovers left at room temperature for more than 2 hours.

Helpful cooking tips

• Use slightly stale bread so it soaks evenly and avoids a gummy center.
• If the top is browning too fast, tent loosely with foil for the last 10 minutes.
• Pressing the bread gently into the custard ensures even absorption.
• Test doneness by inserting a knife into the center; it should come out mostly clean with a few moist crumbs.
• For an even richer bake, replace 1/2 cup of the milk with heavy cream.

Creative twists

• Berry-strewn: fold 1 cup fresh or thawed frozen berries into the bread before pouring the custard.
• Nut crunch: sprinkle chopped pecans or walnuts over the top before baking for texture.
• Chocolate chip: stir 3/4 cup chocolate chips into the cubed bread for a dessert-like version.
• Dairy-free: use a full-fat oat milk and vegan butter. Use a flax egg (1 tablespoon ground flax + 2.5 tablespoons water per egg) to make it egg-free, but expect a slightly different texture.
• Mini casseroles: use smaller baking dishes and reduce baking time to 20–30 minutes for single-serving portions.

Common questions

How long does it take to prep and bake?

Total time is about 55 minutes: 10–15 minutes prep, a 10-minute soak, and roughly 40 minutes baking. Make-ahead prep cuts morning time down to zero.

Can I make this the night before?

Yes. Assemble the casserole, cover tightly, and refrigerate overnight. Remove from the fridge and bake as directed; you may need an extra 5–10 minutes if it’s very cold from the fridge.

Can I use day-old bread or fresh bread?

Day-old or slightly stale bread is best because it absorbs the custard without collapsing. Fresh bread works in a pinch, but let the cubes air-dry for an hour or toast them briefly for the same effect.

Is it safe to freeze this casserole?

Yes. Freeze fully cooled, baked portions for up to 1 month. Wrap well and thaw overnight in the fridge before reheating. Unbaked casseroles can also be refrigerated for up to 24 hours, but avoid freezing raw custard in the dish.

How can I make it gluten-free?

Use a good-quality gluten-free loaf that holds together when cubed. The soaking time and baking are the same, but the texture can vary by the brand of bread.

Traditional French Toast Casserole

A simple, one-dish breakfast or brunch that transforms ordinary bread into a custardy, golden bake perfect for feeding a crowd.

Print Recipe Pin Recipe

Prep Time 15 minutes mins

Cook Time 40 minutes mins

Total Time 55 minutes mins

Servings: 8 servings

Course: Breakfast, Brunch

Cuisine: French

Calories: 350

Ingredients Method Nutrition Notes

Ingredients

  

1x2x3x?

For the French Toast Casserole

• 1 loaf brioche, challah, or French bread, cut into 1-inch cubes Use day-old or slightly stale for best soaking
• 6 large eggs
• 2 cups whole milk (or use 2% for a lighter version) For creamier custard, use whole milk or half-and-half
• 1/2 cup granulated sugar Adjust to taste
• 1 tablespoon vanilla extract
• 1 teaspoon ground cinnamon Adjust to taste; can add orange zest or nutmeg for extra flavor
• 1/4 teaspoon salt
• 1/2 cup unsalted butter, melted

Method

 

Preparation

1. Preheat the oven to 350°F.
2. Grease a 9×13-inch baking dish with butter or nonstick spray.
3. Spread the bread cubes evenly in the prepared dish.
4. In a large bowl, whisk together the eggs, milk, sugar, vanilla, cinnamon, and salt until smooth.
5. Pour the custard evenly over the bread. Press the bread down lightly so it absorbs the liquid.
6. Drizzle the melted butter over the top in an even layer.
7. Let the dish sit for 10 minutes so the bread soaks up the custard. For a make-ahead option, cover and refrigerate up to overnight.

Baking

1. Bake uncovered for about 40 minutes, or until the top is golden and the center is set.
2. Remove from the oven and let cool briefly before slicing. Serve warm with maple syrup, a dusting of powdered sugar, or fresh berries.

Nutrition

Serving: 1Calories: 350kcalCarbohydrates: 40gProtein: 10gFat: 15gSaturated Fat: 9gSodium: 300mgFiber: 1gSugar: 15g

Notes

Serve slices warm on a platter for guests. Top with pure maple syrup and a handful of fresh berries for brightness. Refrigerate leftovers in an airtight container for up to 3 days. Reheat individual slices in a 350°F oven for 8 to 10 minutes or in a toaster oven until heated through. For food safety, discard any custard-based leftovers left at room temperature for more than 2 hours.

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