This French bread French toast casserole is a make-ahead breakfast that turns a crusty loaf into a soft, custardy, golden-baked dish. It’s perfect for holidays, brunches, or lazy weekends because the bread soaks overnight in a rich egg and milk mixture, then bakes into a tender, cinnamon-scented casserole with a slightly crisp top. The sturdy texture of French bread holds up beautifully, so every slice is satisfying without turning soggy.
Ingredients
- 1 loaf (about 1 lb / 450 g) French bread, cut into 1-inch cubes
- 8 large eggs
- 2 cups (480 ml) whole milk
- 1 cup (240 ml) heavy cream
- 3/4 cup (150 g) granulated sugar
- 2 teaspoons vanilla extract
- 1 teaspoon ground cinnamon
- 1/4 teaspoon ground nutmeg
- 1/4 teaspoon salt
- For the topping:
- 1/2 cup (60 g) all-purpose flour
- 1/2 cup (100 g) packed brown sugar
- 1 teaspoon ground cinnamon
- 1/2 cup (1 stick / 113 g) unsalted butter, cold and cut into small pieces
- Optional: 1/2 cup (60 g) chopped pecans or walnuts
Instructions
- Lightly grease a 9×13-inch (23×33 cm) baking dish. Spread the bread cubes evenly in the dish.
- In a large bowl, whisk together the eggs, milk, heavy cream, granulated sugar, vanilla, cinnamon, nutmeg, and salt until well combined and the sugar is dissolved.
- Pour the egg mixture evenly over the bread cubes. Press down gently with a spatula to help the bread absorb the custard. Cover the dish with plastic wrap or foil and refrigerate for at least 4 hours, preferably overnight (8–12 hours).
- When ready to bake, preheat the oven to 350°F (175°C). Remove the casserole from the refrigerator and let it sit at room temperature for 20–30 minutes while the oven heats.
- Make the topping: In a medium bowl, combine the flour, brown sugar, and cinnamon. Cut in the cold butter using a pastry blender or your fingers until the mixture resembles coarse crumbs. Stir in the nuts if using.
- Sprinkle the topping evenly over the soaked bread.
- Bake for 40–50 minutes, until the casserole is puffed and golden brown and the center is set. To check doneness, insert a knife or toothpick into the center—it should come out clean, and the internal temperature should reach 160°F (71°C) as per USDA FSIS safe minimum for egg dishes.
- Let the casserole rest for 5–10 minutes before slicing and serving warm.
Tips
- Use day-old bread: Slightly stale French bread absorbs the custard better without turning mushy. If your bread is fresh, cut it into cubes and let it sit out uncovered for a few hours, or toast it briefly in a 300°F (150°C) oven for 10 minutes.
- Don’t skip the soak: The overnight rest is key for a custardy texture. If you’re short on time, a minimum of 4 hours will work, but the result will be less creamy.
- Check the center: Ovens vary, so start checking at 40 minutes. The casserole should be golden and set in the middle, not jiggly. A thermometer is the most reliable way to ensure it’s cooked through.
- Make it gluten-free: Use a gluten-free French bread or a sturdy gluten-free loaf. The texture will be slightly denser, but the custard will still hold together.
Serving Suggestions
Serve this casserole warm, straight from the dish, with a dusting of powdered sugar and a drizzle of maple syrup. It pairs beautifully with fresh berries, a dollop of whipped cream, or a side of crispy bacon or sausage. For a brunch spread, add a fresh fruit salad and mimosas.
Variations
- Berry Bliss: Fold 1 cup (150 g) of fresh or frozen blueberries, raspberries, or sliced strawberries into the bread cubes before pouring the custard.
- Chocolate Hazelnut: Spread a thin layer of chocolate-hazelnut spread on the bread cubes before layering them in the dish, then proceed with the recipe.
- Savory Twist: Omit the sugar, vanilla, and cinnamon. Add 1 cup (100 g) shredded Gruyère or cheddar, 1/4 cup (25 g) grated Parmesan, and 1 teaspoon Dijon mustard to the custard. Top with crispy bacon bits before baking.
- Pumpkin Spice: Replace the heavy cream with 1 cup (240 ml) pumpkin purée and add 1 teaspoon pumpkin pie spice instead of the cinnamon and nutmeg.
Storage and Reheating
Store leftovers in an airtight container in the refrigerator for up to 4 days. To reheat, place a portion on a microwave-safe plate and heat in 30-second intervals until warmed through, or reheat in a 350°F (175°C) oven for 10–15 minutes for a crisper top. You can also freeze the baked casserole for up to 2 months—wrap it tightly in plastic wrap and foil, then thaw overnight in the fridge before reheating.
Frequently Asked Questions
Can I use a different type of bread? Yes, brioche, challah, or sourdough all work well. Brioche and challah will be richer and softer, while sourdough will add a slight tang and hold its shape even better.
Can I make this casserole without the overnight soak? You can, but the bread won’t absorb the custard as thoroughly, resulting in a drier, less custardy texture. If you’re in a hurry, let it soak for at least 2 hours at room temperature, but ideally refrigerate for 4 hours.
Why is my casserole soggy in the middle? This usually happens if the bread was too fresh, the custard ratio was off, or it wasn’t baked long enough. Make sure to use day-old bread, stick to the ingredient measurements, and bake until the center is set and reaches 160°F (71°C).
Can I freeze the unbaked casserole? Yes, assemble the casserole, cover tightly, and freeze for up to 1 month. Thaw overnight in the refrigerator, then bake as directed, adding 10–15 minutes to the baking time since it starts cold.
How do I know when it’s done without a thermometer? Insert a knife into the center—if it comes out clean and the top is deep golden brown, it’s done. The casserole should be puffed and the edges should look slightly crisp.
Can I use half-and-half instead of heavy cream? Yes, you can substitute half-and-half for the heavy cream, but the casserole will be slightly less rich and creamy. Whole milk alone will also work, but the texture will be lighter.
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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes
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