French Toast Casserole is the cozy breakfast everyone looks forward to.

With golden, crisp edges, a soft custardy middle, and warm notes of cinnamon and vanilla, it delivers all the comfort of traditional French toast without standing at the stove flipping slices.

Simply assemble, bake, and enjoy! It’s ideal for feeding a crowd, prepping ahead for holidays, or turning an ordinary weekend into something special.

The Best Bread to Use

The type of bread you choose will make or break your casserole. You’ll want something sturdy and slightly stale so it soaks up the custard without becoming soggy.

• Best options: Brioche, challah, French bread, or sourdough.
• Avoid: Soft sandwich bread or very fresh loaves, which turn mushy.
  👉 Quick fix: If your bread is too fresh, cube it and dry in a 300°F oven for 10–15 minutes before using.

Variations to Try

• Classic: A buttery, cinnamon-spiced bake with crisp top and tender inside.
• Overnight Version: Assembled the night before, refrigerated, and baked fresh in the morning.
• Cinnamon Roll Twist: Made with cinnamon rolls instead of bread, then drizzled with icing for an indulgent brunch option.

Storage & Reheating

French Toast Casserole stores beautifully, so leftovers never go to waste.

• Refrigerator: Store covered up to 4 days.
• Freezer: Wrap slices individually in foil or plastic, freeze up to 3 months.
• Reheat:
  • Oven: 350°F, covered in foil, for 15 minutes.
  • Microwave: 30–60 seconds with a damp paper towel.
  • Air fryer: 350°F for 3–5 minutes for crisp edges.
    👉 Top reheated slices with maple syrup, whipped cream, or fresh fruit to refresh.

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Classic French Toast Casserole

Serves: 8 | Prep Time: 10 mins | Cook Time: 40 mins

Ingredients

• 1 loaf brioche, challah, or French bread, cut into 1-inch cubes
• 6 large eggs
• 2 cups whole milk (or half-and-half for richer custard)
• 1/2 cup granulated sugar
• 1 tablespoon vanilla extract
• 1 teaspoon ground cinnamon
• 1/4 teaspoon salt
• 1/2 cup unsalted butter, melted

Instructions

1. Preheat oven to 350°F and grease a 9×13-inch baking dish.
2. Spread cubed bread evenly in the dish.
3. In a large bowl, whisk eggs, milk, sugar, vanilla, cinnamon, and salt until smooth.
4. Pour custard evenly over bread, pressing gently so it soaks in.
5. Drizzle melted butter across the top.
6. Let sit for 10 minutes to absorb.
7. Bake uncovered for 40 minutes, until golden brown and set.
8. Serve warm with maple syrup, powdered sugar, or fresh berries.

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Overnight French Toast Casserole

Serves: 8 | Prep Time: 15 mins | Chill Time: 8 hrs | Cook Time: 45 mins

Ingredients

• 1 loaf day-old challah, brioche, or French bread, cubed
• 8 large eggs
• 2 cups half-and-half or whole milk
• 3/4 cup brown sugar
• 2 teaspoons vanilla extract
• 1 teaspoon cinnamon
• 1/4 teaspoon nutmeg
• 1/2 teaspoon salt
• 2 tablespoons butter, cut into small pieces

Instructions

1. Grease a 9×13-inch dish and add cubed bread.
2. In a large bowl, whisk together eggs, half-and-half, brown sugar, vanilla, cinnamon, nutmeg, and salt.
3. Pour custard over bread and gently press down.
4. Cover tightly with foil or plastic wrap and refrigerate overnight.
5. In the morning, preheat oven to 350°F. Remove casserole from fridge 20 minutes before baking.
6. Dot top with butter pieces and bake for 45 minutes, uncovered, until puffed and golden.
7. Serve hot with warm syrup, powdered sugar, or fruit compote.

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Cinnamon Roll French Toast Casserole

Serves: 6–8 | Prep Time: 10 mins | Cook Time: 35 mins

Ingredients

• 1 can refrigerated cinnamon rolls (with icing)
• 5 large eggs
• 1 cup milk
• 1/4 cup heavy cream
• 1/4 cup brown sugar
• 1 teaspoon vanilla extract
• 1 teaspoon ground cinnamon

Instructions

1. Preheat oven to 350°F and grease a baking dish.
2. Cut cinnamon rolls into quarters and scatter evenly in dish.
3. In a bowl, whisk eggs, milk, cream, brown sugar, vanilla, and cinnamon.
4. Pour custard over rolls and toss lightly to coat.
5. Bake 30–35 minutes until golden and set.
6. Drizzle icing over casserole while warm.

👉 Optional: Add chopped pecans, drizzle with cream cheese icing, or dust with powdered sugar.