Transform your breakfast routine with this delightful overnight French toast casserole. It's a perfect make-ahead dish that allows you to enjoy a stress-free morning while indulging in a rich, flavorful breakfast. The combination of french bread, eggs, and a creamy mixture creates a comforting and satisfying meal that everyone will love.
If you don't usually have heavy cream or nutmeg in your pantry, make sure to pick them up at the supermarket. Heavy cream adds a rich texture to the dish, while nutmeg provides a warm, aromatic flavor that complements the cinnamon perfectly.

Ingredients For Overnight French Toast Casserole
French bread: A loaf of french bread cut into cubes serves as the base for the casserole, absorbing the custard mixture beautifully.
Eggs: Eggs are essential for creating the custard that binds the bread together and gives the dish its rich texture.
Milk: Milk adds moisture and helps create a creamy custard.
Heavy cream: Heavy cream adds richness and a velvety texture to the custard.
Sugar: Sugar sweetens the custard mixture, balancing the flavors.
Brown sugar: Brown sugar adds a deeper, caramel-like sweetness to the dish.
Vanilla extract: Vanilla extract enhances the overall flavor with its sweet, aromatic notes.
Ground cinnamon: Ground cinnamon provides warmth and spice, making the dish more aromatic and flavorful.
Ground nutmeg: Ground nutmeg adds a subtle, warm spice that complements the cinnamon.
Salt: Salt enhances all the flavors, balancing the sweetness and spices.
Technique Tip for This Recipe
When preparing the casserole mixture, ensure that the bread cubes are evenly coated by gently pressing them down into the egg mixture. This helps the bread absorb the custard more thoroughly, resulting in a richer and more uniform texture. Additionally, for an extra layer of flavor, consider adding a handful of chopped nuts or dried fruits before refrigerating the casserole overnight.
Suggested Side Dishes
Alternative Ingredients
french bread - Substitute with brioche: Brioche is rich and buttery, providing a similar texture and flavor profile to french bread.
french bread - Substitute with challah: Challah is slightly sweet and soft, making it an excellent alternative for a rich and tender casserole.
eggs - Substitute with flax eggs: Mix 1 tablespoon of ground flaxseed with 3 tablespoons of water per egg. This is a good vegan alternative that helps bind the ingredients.
milk - Substitute with almond milk: Almond milk is a dairy-free option that provides a similar consistency and mild flavor.
milk - Substitute with oat milk: Oat milk is creamy and neutral in flavor, making it a suitable dairy-free substitute.
heavy cream - Substitute with coconut cream: Coconut cream is rich and thick, providing a similar texture and richness to heavy cream.
heavy cream - Substitute with evaporated milk: Evaporated milk is less rich but still provides a creamy texture, making it a lighter alternative.
sugar - Substitute with honey: Honey adds natural sweetness and a slight floral note, though it may slightly alter the flavor.
sugar - Substitute with maple syrup: Maple syrup provides a natural sweetness with a unique flavor that complements the spices.
brown sugar - Substitute with coconut sugar: Coconut sugar has a similar caramel-like flavor and can be used in the same quantity.
brown sugar - Substitute with date sugar: Date sugar is made from dried dates and provides a natural sweetness with a hint of caramel.
vanilla extract - Substitute with almond extract: Almond extract provides a different but complementary flavor that can enhance the overall taste.
vanilla extract - Substitute with maple extract: Maple extract adds a unique and rich flavor that pairs well with the spices.
ground cinnamon - Substitute with pumpkin pie spice: Pumpkin pie spice contains cinnamon along with other spices, adding a warm and complex flavor.
ground cinnamon - Substitute with ground allspice: Allspice has a similar warm flavor and can be used in a slightly smaller quantity.
ground nutmeg - Substitute with ground mace: Mace is the outer covering of nutmeg and has a similar but slightly milder flavor.
ground nutmeg - Substitute with ground cloves: Ground cloves are more potent, so use sparingly, but they provide a warm and spicy flavor.
salt - Substitute with sea salt: Sea salt has a similar flavor and can be used in the same quantity.
salt - Substitute with kosher salt: Kosher salt has a similar flavor and can be used in the same quantity, though it may have a slightly different texture.
Alternative Recipes Similar to This Casserole
How to Store or Freeze Your French Toast Casserole
- Allow the casserole to cool completely after baking. This ensures that no excess moisture is trapped, which can affect the texture when stored.
- Transfer the cooled casserole to an airtight container or cover the baking dish tightly with plastic wrap or aluminum foil. This helps maintain its freshness and prevents it from absorbing any unwanted odors from the fridge.
- Store the casserole in the refrigerator for up to 3-4 days. This is the optimal time frame to enjoy the dish while it retains its best flavor and texture.
- For longer storage, consider freezing the casserole. Cut it into individual portions to make reheating easier and more convenient.
- Wrap each portion tightly in plastic wrap, then place them in a freezer-safe bag or container. This double-layer protection helps prevent freezer burn and keeps the casserole tasting fresh.
- Label the container or bag with the date of freezing. This helps you keep track of how long the casserole has been stored and ensures you use it within 2-3 months for the best quality.
- To reheat from the refrigerator, preheat your oven to 350°F (175°C). Place the casserole in an oven-safe dish and cover it with foil to prevent it from drying out. Heat for about 20-25 minutes or until warmed through.
- To reheat from frozen, allow the casserole to thaw in the refrigerator overnight. Once thawed, follow the same reheating instructions as for refrigerated casserole.
- For a quicker reheating option, you can use the microwave. Place a portion of the casserole on a microwave-safe plate, cover it with a microwave-safe cover or damp paper towel, and heat on medium power in 1-minute intervals until warmed through.
How to Reheat Leftovers
Preheat your oven to 350°F (175°C). Place the casserole in an oven-safe dish, cover with aluminum foil to prevent drying out, and bake for about 20 minutes or until heated through.
For a quicker method, use the microwave. Place a portion of the French toast casserole on a microwave-safe plate. Cover with a damp paper towel to retain moisture and heat on medium power for 1-2 minutes, checking and stirring halfway through.
If you prefer a crispier texture, use a toaster oven. Preheat the toaster oven to 350°F (175°C). Place a slice of the casserole on a baking sheet and heat for 10-15 minutes until warmed and slightly crispy on the edges.
For an extra indulgent twist, reheat individual portions in a skillet. Melt a small amount of butter in a non-stick skillet over medium heat. Add a slice of the French toast casserole and cook for 2-3 minutes on each side until heated through and golden brown.
Essential Tools for This Recipe
Baking dish: A large dish to hold the bread cubes and the custard mixture, ensuring even baking.
Mixing bowl: A bowl for whisking together the eggs, milk, cream, sugars, and vanilla extract.
Whisk: A tool to thoroughly mix the wet ingredients, ensuring a smooth custard.
Measuring cups: Essential for accurately measuring the milk, cream, and sugars.
Measuring spoons: Necessary for precise measurement of vanilla extract, cinnamon, nutmeg, and salt.
Refrigerator: Used to store the casserole overnight, allowing the bread to soak up the custard.
Oven: Preheated to 350°F (175°C) for baking the casserole to a golden brown perfection.
Small bowl: For mixing the cinnamon, nutmeg, and salt before sprinkling over the casserole.
Spatula: Useful for spreading the custard mixture evenly over the bread cubes.
Aluminum foil: Optional, to cover the casserole if it starts to brown too quickly while baking.
Time-Saving Tips for This Recipe
Prepare ingredients ahead: Cut the bread into cubes and measure out the milk, cream, and sugars the night before.
Use a large mixing bowl: This allows you to whisk the eggs and other ingredients quickly without making a mess.
Pre-mix spices: Combine the cinnamon, nutmeg, and salt in a small bowl ahead of time.
Refrigerate efficiently: Cover the casserole tightly with plastic wrap to ensure it absorbs the custard mixture evenly overnight.
Preheat oven early: Start preheating the oven as soon as you wake up to save time in the morning.

Overnight French Toast Casserole
Ingredients
Main Ingredients
- 1 loaf French bread cut into cubes
- 8 eggs
- 2 cups milk
- ½ cup heavy cream
- ½ cup sugar
- ½ cup brown sugar
- 1 tablespoon vanilla extract
- ½ teaspoon ground cinnamon
- ¼ teaspoon ground nutmeg
- ¼ teaspoon salt
Instructions
- Grease a baking dish and add the bread cubes.
- In a mixing bowl, whisk together eggs, milk, cream, sugar, brown sugar, and vanilla.
- Pour the mixture over the bread cubes, ensuring all are coated.
- Cover and refrigerate overnight.
- Preheat oven to 350°F (175°C).
- Mix cinnamon, nutmeg, and salt in a small bowl and sprinkle over the casserole.
- Bake for 45 minutes or until golden brown.
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