Golden, custardy slices of French bread baked in a rich brown sugar caramel sauce — this overnight French toast casserole is a dreamy, crowd-pleasing breakfast.
🧾 Ingredients
Caramel Layer:
- 1 ½ cups dark brown sugar
- 1 cup butter
- 1 teaspoon vanilla extract
French Toast:
- 1 large loaf French bread (cut into 1½-inch thick slices)
- 4 large eggs
- 2 cups milk
- 2 teaspoons vanilla extract
- ½ teaspoon salt
Topping:
- ¼ cup butter, melted
- 2 tablespoons granulated sugar
- 1 teaspoon ground cinnamon
- Powdered sugar (for dusting)
🍽 Equipment Needed
- 9×13-inch baking dish
- Medium saucepan
- Mixing bowls
- Whisk
- Plastic wrap
👩🍳 Instructions
The Night Before:
-
Prepare Baking Dish
Grease a 9×13-inch baking dish with butter or nonstick spray. -
Slice Bread
Cut bread into 1½-inch thick slices and set aside. -
Make Caramel Layer
In a medium saucepan, melt brown sugar and butter over medium heat, stirring constantly (5–6 mins). Stir in vanilla and remove from heat. -
Assemble
Pour the caramel sauce into the greased baking dish. Lay bread slices in a single layer over the caramel. -
Make Custard
In a bowl, whisk together eggs, milk, vanilla, and salt until fully combined. Pour this custard mixture over the bread. Press down the bread gently to help it absorb. -
Chill
Cover tightly with plastic wrap and refrigerate overnight (or at least 5 hours).
In the Morning:
-
Preheat Oven
Preheat oven to 350°F (175°C). -
Top It Off
Drizzle melted butter over the top of the soaked bread. Mix cinnamon and sugar, then sprinkle evenly over the top. -
Bake
Bake uncovered for 45–55 minutes until puffed and golden brown. -
Serve
Dust with powdered sugar before serving. Serve warm with maple syrup or fresh fruit, if desired.
❄️ Storage Instructions
- Fridge (Leftovers): Store in an airtight container for up to 3 days.
- Freezer: Freeze slices individually wrapped for up to 2 months. Reheat in the microwave or oven at 350°F for 10–15 minutes.
⚖️ Nutrition Info (Estimated Per Serving – Serves 8)
Note: Varies depending on bread and butter used.
- Calories: 450
- Fat: 25g
- Carbohydrates: 45g
- Sugar: 24g
- Protein: 9g
- Fiber: 1g
- Sodium: 320mg
❓ Frequently Asked Questions
Q: Can I use a different type of bread?
A: Yes! Brioche, challah, or Texas toast all work beautifully.
Q: Can this be made dairy-free?
A: Substitute butter with plant-based butter and milk with almond or oat milk.
Q: How do I keep the bottom from sticking?
A: Make sure to generously grease the dish before adding the caramel layer.
Q: Can I prepare it the same day?
A: Yes, let it soak at least 5 hours if you can’t chill it overnight.
💭 Final Thoughts
This Caramel Bottom French Toast Bake is perfect for holidays, weekend brunch, or meal prepping breakfast for a few days ahead. It’s buttery, custardy, and has that gooey caramel base that’s downright irresistible. Minimal morning effort, maximum flavor!
Top with whipped cream, berries, or a drizzle of maple syrup — your family will think you’re a brunch genius! 🥞✨
Let me know if you’d like a gluten-free or low-sugar version!
