If you love classic French toast but want something easier to serve for a crowd, this Apple Cinnamon French Toast Casserole is the perfect solution.

Soft cubes of bread are soaked in a sweet cinnamon custard, layered with tender apples, and baked until golden and fluffy. The result is a warm, comforting breakfast that tastes like apple pie and French toast combined.

This cozy dish is perfect for holiday mornings, family brunches, or weekend breakfasts when you want something special with minimal effort.

🍎 Why You’ll Love This Recipe

Perfect make-ahead breakfast
Warm apple cinnamon flavor
Easy to prepare for a crowd
Cozy fall-inspired comfort food
Soft inside with a golden top
Great for holidays and brunch

It fills your kitchen with the irresistible smell of cinnamon and baked apples.

🧁 Ingredients You’ll Need

For the Casserole

6 cups brioche or challah bread, cubed
2 medium apples, peeled and diced
4 large eggs
1 cup milk
½ cup heavy cream
⅓ cup brown sugar
1 teaspoon vanilla extract
1 teaspoon cinnamon
¼ teaspoon nutmeg
Pinch of salt

Optional Streusel Topping

¼ cup brown sugar
¼ cup flour
2 tablespoons butter
½ teaspoon cinnamon

Optional Toppings

Maple syrup
Powdered sugar
Caramel sauce

👩‍🍳 How to Make Apple Cinnamon French Toast Casserole

Step 1: Prepare the Baking Dish

Preheat oven to 350°F (175°C).

Grease a 9×9-inch baking dish.

Step 2: Layer Bread & Apples

Add half the cubed bread to the baking dish.

Sprinkle diced apples evenly.

Add the remaining bread cubes.

Step 3: Make the Custard

In a bowl whisk together:

Eggs
Milk
Heavy cream
Brown sugar
Vanilla
Cinnamon
Nutmeg
Salt

Step 4: Pour & Soak

Pour the custard evenly over the bread.

Let sit 10–15 minutes so the bread absorbs the mixture.

Step 5: Add Streusel (Optional)

Mix flour, brown sugar, butter, and cinnamon until crumbly.

Sprinkle over the casserole.

Step 6: Bake

Bake 40–45 minutes until golden brown and set.

Step 7: Serve

Let cool slightly and serve warm with maple syrup or powdered sugar.

🔥 Tips for the Best French Toast Casserole

Use slightly stale bread for better texture.
Cut apples into small pieces so they soften while baking.
Let the bread soak well before baking.
Add extra cinnamon if you love stronger spice flavor.

🍏 Best Apples to Use

These apples hold their shape well when baked:

Honeycrisp
Granny Smith
Fuji
Gala

They give the casserole the perfect balance of sweet and tart.

🥡 Storage & Make-Ahead Tips

Refrigerator:
Store leftovers up to 4 days.

Make Ahead:
Assemble the casserole the night before and bake in the morning.

Freezer:
Freeze slices up to 2 months.

❓ Frequently Asked Questions

Can I make this overnight?

Yes! Assemble the casserole, cover, and refrigerate overnight before baking.

Can I use regular sandwich bread?

Yes, but brioche or challah gives the best texture.

Can I make it dairy-free?

Use plant milk and coconut cream instead of dairy.

Can I reduce the sugar?

Yes, apples naturally add sweetness.

💡 Pro Tip for Extra Flavor

Drizzle warm caramel sauce over the casserole before serving for an apple pie–style dessert flavor.

Final Thoughts

This Apple Cinnamon French Toast Casserole is:

✔ Warm
✔ Cozy
✔ Perfect for brunch
✔ Easy to prepare ahead
✔ A family-favorite comfort breakfast

It’s the kind of breakfast that turns ordinary mornings into something special. 🍎✨