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Make breakfast special and memorable with this Overnight Blueberry French Toast Casserole. This easy recipe is perfect for holiday mornings!

breaqkfast is ready! food on plate ready to be served

Breakfast Casserole

You guys!! You are going to love today’s recipe! This recipe is super simple and delicious. Your family is going to ask for time and time again!

looking down onto a slice of french toast casserole

If you love French toast – this is a great, easy recipe that feeds a lot of people!

We enjoy this breakfast casserole a few times throughout the year. Especially on Easter or Christmas morning, for instance!

One of my favorite things about this recipe is that it’s easy to put together the night before. In the morning, the casserole can bake while you are doing other things – like opening presents on Christmas morning!

Want a change? You can easily switch out the fruit, or the type of bread. No matter how we make it, it’s always requested and it’s always a hit!

preparing the casserole

Overnight French Toast Casserole Recipe

Ingredients for casserole

  • day-old Italian bread
  • fresh or frozen blueberries
  • cream cheese
  • large eggs
  • milk
  • powdered sugar
  • vanilla extract
  • maple syrup

Ingredients for syrup

  • granulated sugar
  • cornstarch
  • water
  • fresh or frozen blueberries
  • butter
finishing the casserole and making the syrup

How to make Overnight French Toast Casserole

Time needed: 10 hours

How to make Overnight French Toast Casserole

  1. Add bread cubes and blueberries to prepared pan.

    Lightly grease or butter a 9×13-inch baking dish. Arrange half the bread cubes in the dish. Sprinkle 1-1/2 cups of blueberries over the bread, and top with remaining bread cubes.

  2. Blend ingredients and pour over bread cubes.

    In a blender, combine the cream cheese, eggs, milk, powdered sugar, vanilla extract, and syrup. Pour the mixture evenly over the bread cubes.

  3. Cover the casserole and refrigerate overnight.

    Cover the casserole and refrigerate overnight.

  4. Remove casserole from refrigerator and preheat oven.

    Remove the casserole from the refrigerator about 30 minutes before baking. Preheat the oven to 350°F.

  5. Bake.

    Cover the pan with aluminum foil and bake for 30 minutes. Uncover, and continue baking for 25 to 30 minutes, until the center is firm and the surface is lightly browned.

  6. Prepare the blueberry syrup.

    Meanwhile, in a medium saucepan, mix the sugar, cornstarch, and water. Bring to a boil. Stirring constantly, cook for 3 to 4 minutes. Mix in 1 cup of blueberries. Reduce heat, and simmer 10 minutes, until the blueberries burst. Stir in the butter.

  7. Serve.

    Serve the blueberry syrup over the baked French toast.

Recipe Notes

  • I’ve substituted cinnamon-raisin bread and croissants in place of the Italian bread with great results.
  • Change it up a bit by adding some cinnamon to the blender mixture!
  • Want a new flavor? Try this recipe with strawberries – or another fruit of your choice!
  • For best results, be sure your bread is partially dried out. You can let it sit out of the bag for a few hours to dry it out or bake it in a 200°F oven for about 10 minutes.
looking down onto two plates with food and a serving vessel with bluberry syrup

Overnight French Toast Casserole: FAQs

➡️ How far in advance can this be made?

Up to 3 days in advance.

➡️ Can you freeze this casserole?

Yes. You can freeze it before or after baking.

To freeze before baking: Cover the casserole with plastic wrap, and wrap in aluminum foil. Freeze for up to one month. To use the casserole, thaw it in the refrigerator and bake as directed.

To freeze after baking: Wrap the cooled casserole (or individual pieces) with plastic wrap (or in freezer-safe containers) and freeze for up to two months. Allow the casserole to thaw before reheating. Microwave individual portions until heated through. For the whole casserole, remove all plastic wrap, and cover the dish with aluminum foil. Heat in a 350°F oven for about 20 minutes or until heated through.

➡️ Why is my French toast casserole soggy?

Your bread might have been too fresh or not dry enough, your eggs might have been too big, or your casserole wasn’t thawed completely.

The good news is, this is an easy fix! Increase your baking time until the casserole has reached your preferred level of doneness. You may need to cover it with aluminum foil if it starts browning too much.

➡️ Can I reheat this casserole?

Yes! Personally, we microwave individual servings. However, you can also reheat it in the oven until heated through.

➡️ Does this recipe really need to sit overnight before baking?

This casserole is best when the bread has had a chance to soak up some of the custard mixture. Although technically it doesn’t need to sit overnight, you really should let the bread soak up the egg mixture for at least 2-4 hours before baking.

slice of overnight french toast on plate with blueberry syrup on top

How did you like this recipe?

This recipe is a Love Bakes Good Cakes holiday favorite! We love serving this on Christmas or Easter morning! Of course, we don’t limit ourselves. We enjoy it throughout the year!

If you gave this recipe a try, I would love to hear from you. How did your crew enjoy this recipe? Leave me a comment down below letting me know!

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Drop any questions or have any suggestions in the comment section as well. I’ll try my best to help!

slice of overnight french toast casserole on plate

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closeup overnight blueberry frnech toast casserole slice on plate
4.63 from 8 votes
Servings: 12 servings

Overnight Blueberry French Toast Casserole

By Jamie Sherman
Make breakfast special and memorable with this Overnight Blueberry French Toast Casserole. This easy recipe is perfect for holiday mornings!
Prep: 15 minutes
Cook: 1 hour 15 minutes
Additional Time: 8 hours 30 minutes
Total: 10 hours

Would you like to save this?

We’ll email this post to you, so you can come back to it later!

Ingredients 

For the casserole

  • 12 slices day-old Italian bread, cut into 1-inch cubes
  • 1 1/2s cup fresh or frozen blueberries, do not thaw if frozen
  • 12 oz. cream cheese, cut into 1-inch cubes
  • 10 large eggs, beaten
  • 2 cups milk
  • ¼ cup powdered sugar
  • 1 teaspoon vanilla extract
  • cup maple syrup

For the syrup

  • 1 cup granulated sugar
  • 2 tablespoons cornstarch
  • 1 cup water
  • 1 cup fresh or frozen blueberries
  • 1 tablespoon. butter

Instructions 

For the casserole

  • Lightly grease or butter a 9×13-inch baking dish. Arrange half the bread cubes in the dish. Sprinkle 1-1/2 cups of blueberries over the bread, and top with remaining bread cubes.
  • In a blender, combine the cream cheese, eggs, milk, powdered sugar, vanilla extract, and syrup. Pour the mixture evenly over the bread cubes. 
  • Cover, and refrigerate overnight.
  • Remove the casserole from the refrigerator about 30 minutes before baking. Preheat the oven to 350°F.
  • Cover the pan with aluminum foil and bake for 30 minutes. Uncover, and continue baking for 25 to 30 minutes, until the center is firm and the surface is lightly browned.

For the syrup

  • Meanwhile, in a medium saucepan, mix the sugar, cornstarch, and water. Bring to a boil. Stirring constantly, cook for 3 to 4 minutes. Mix in 1 cup of blueberries. Reduce heat, and simmer 10 minutes, until the blueberries burst. Stir in the butter.

To serve

  • Serve the blueberry syrup over the baked French toast.

Notes

  • I’ve substituted cinnamon-raisin bread and croissants in place of the Italian bread with great results.
  • Change it up a bit by adding some cinnamon to the blender mixture!
  • Try this recipe with strawberries – or another fruit of your choice!
  • To freeze before baking: Follow the recipe directions using a freezer-safe pan to prepare the casserole but do not bake it. Instead, cover it with plastic wrap, pushing the plastic wrap down onto the casserole to create an air-free barrier. Plastic wrap the casserole again. Wrap in aluminum foil. Freeze for up to one month. To use the casserole, thaw it in the refrigerator and bake as directed.
  • To freeze after baking: Wrap the cooled casserole (or individual pieces) with plastic wrap (or in freezer-safe containers) and freeze for up to two months. Allow the casserole to thaw before reheating. Microwave individual portions until heated through. For the whole casserole, remove all plastic wrap, and cover the dish with aluminum foil. Heat in a 350°F oven for about 20 minutes or until heated through.

Nutrition

Serving: 1square, Calories: 425kcal, Carbohydrates: 45g, Protein: 10g, Fat: 23g, Saturated Fat: 12g, Polyunsaturated Fat: 3g, Monounsaturated Fat: 6g, Trans Fat: 0.1g, Cholesterol: 191mg, Sodium: 248mg, Potassium: 244mg, Fiber: 1g, Sugar: 37g, Vitamin A: 719IU, Vitamin C: 3mg, Calcium: 114mg, Iron: 1mg

Nutrition information is automatically calculated, so should only be used as an approximation.

Like this? Leave a comment below!

Jamie

Jamie Sherman founded Love Bakes Good Cakes in February 2012. She is a self-taught home cook passionate about sharing easy, delicious, and family-friendly recipes. From comforting classics to irresistible desserts, I believe homemade food brings people together. Join me on my journey of creating and sharing meals that bring joy to every table!

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4.63 from 8 votes (8 ratings without comment)

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1 Comment

  1. MrsSW says:

    Jamie, that looks delicious. Hope I have an occasion to try it soon.
    Sheila