This overnight French Toast Casserole recipe only takes 15 minutes to prep then it's baked in the morning. It has all the flavor we love from french toast with an incredible crunchy cinnamon sugar streusel topping!

An overhead look of a pan of overnight french toast casserole.

French Toast Casserole

My love for french toast is strong, as evidenced by my many different french toast recipes! But I think this easy French Toast Casserole recipe is the best way to serve a crowd, and it's especially convenient because you can make it the day before. Breakfast magic!

Try all of my breakfast casseroles like Hawaiian French Toast Casserole, Biscuits and Gravy Casserole, Breakfast Casserole, Sheet Pan Pancakes, or Hashbrown Breakfast Casserole!

How to make Overnight French Toast Casserole:

Combine and Refrigerate: Butter the bottom and sides of a 9×13” pan. Slice bread into 1 inch chunks and add to dish. Whisk eggs in a large bowl and add cream, milk, brown sugar, cinnamon, salt, and vanilla. Pour over cubed bread and gently toss to coat. Add to pan, cover, and refrigerate overnight.

Make Topping: Stir together brown sugar, white sugar, cinnamon, and nutmeg. Cut cold butter into chunks then add to the bowl. Use a pastry cutter or your hands to combine until crumbly. Refrigerate overnight.

Two process photos for making french toast batter and pouring it over bread cubes in a casserole dish.

Bake: Sprinkle topping on top of casserole, then bake at 350°F (180°C) for 40-50 minutes, until golden on top. Let the baked french toast casserole cool for at least 10 minutes befoer serving. I think it's sweet enough without syrup, but you could serve with homemade syrup, maple syrup, or whipped cream on top.

A pan of french toast casserole next to a slice served on a plate.

Make Ahead and Freezing Instructions:

To Make Ahead: Make the French Toast Casserole a day ahead, stored in the fridge.

To Freeze: Cover assembled casserole tightly with plastic wrap and aluminum foil and freeze for up to 2 months. Thaw overnight in the refrigerator before baking.

More French Toast Recipes:

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Recipe

A piece of easy Baked French Toast Casserole on a small white plate.
Prep 15 minutes
Cook 45 minutes
Total 1 hour
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Ingredients
  

For the Topping:

Instructions
 

  • Grease a 9×13" baking dish. Cut bread into 1 inch chunks and place in pan.
  • Assemble: Whisk eggs in a large mixing bowl. Add cream, milk, brown sugar, cinnamon, salt and vanilla and mix well. Pour evenly over the bread cubes and toss gently to combine. Spread into an even layer in the pan. Refrigerate overnight.
  • Topping: Add brown sugar, white sugar, cinnamon and nutmeg to a bowl and stir to combine. Add butter and use a pastry blender or your hands to combine until crumbly. Cover and refrigerate until morning.
  • Bake: Preheat oven to 350 degrees F (180 degrees C). Uncover french toast pan and sprinkle the topping evenly over top. Bake for 45-50 minutes or until top is golden and casserole is set.
  • Allow french toast to cool for at least 10 minutes before serving. Top with homemade syrup , berries, whipped cream, or any other toppings you'd like.

Notes

Yield: 9×13 pan: 10 squares. Serving Size: 1 square.
Make Ahead Instructions: Make the French Toast Casserole a day ahead, stored in the fridge.
Freezing Instructions: Cover assembled casserole tightly with plastic wrap and aluminum foil and freeze for up to 2 months. Thaw overnight in the refrigerator before baking.
Recipe originally adapted from Our Best Bites.

Nutrition

Calories: 384kcalCarbohydrates: 45gProtein: 12gFat: 17gSaturated Fat: 9gPolyunsaturated Fat: 2gMonounsaturated Fat: 5gTrans Fat: 0.1gCholesterol: 188mgSodium: 493mgPotassium: 227mgFiber: 1gSugar: 23gVitamin A: 717IUVitamin C: 0.2mgCalcium: 139mgIron: 3mg

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*I originally shared this recipe in June 2014. Updated December 2018, March 2023 and March 2025.

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Lauren Allen

Welcome! I’m Lauren, a mom of four and lover of good food. Here you’ll find easy recipes and weeknight meal ideas made with real ingredients, with step-by-step photos and videos.

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Gabby
5 years ago

Do you have to refrigerate overnight or can you just throw in the oven

Kentuckylady717
5 years ago

5 stars
Going to go ahead and give it a 5, I know it will be this good….but do you have a recipe for the “Buttery Bourbon Sauce to serve on the Side) plus someone said they soaked the golden Raisins in the bourbon too…..I imagine this would make it so much better….(but maybe not serve to kids….it may be too strong eh?) I would love to have this recipe too….

Thanks (1/8/20)

D Johnson
5 years ago

Can this recipe be baked (or partially baked) a day ahead of time to speed up serving time in the morning?

Polly Boone
5 years ago

5 stars
I served this last night for a crowd and it was a hit! I used the big crescent rolls from costco and used a few extra, like 8 total for a deep dish 8 x 11 so that it was really full. I baked it as directed and served the buttery bourbon sauce on. The side. Oh, and I used golden raisins and soaked them in the bourbon. Ill make this again for sure!!!!

Jessica C
5 years ago

Can this be done with brioche bread? Or does it need a tougher bread like French? Thanks!

Connie Hoffacker
5 years ago

Can I prepare this 24 hours ahead and refrigerate

Betty
5 years ago

Can I prepare this two days ahead?

Mary Herrnstein
5 years ago

Can you assemble and refrigerate this the night before in a metal baking dish instead of glass ? Then bake the next morning? My Pyrex is fairly old so am hesitant to put a cold glass dish into the hot oven but have a brand new 9 x 13 metal casserole pan
Thank you !

Tony
5 years ago

Great recipe

Holly Pinkley
5 years ago

Made it with French Bread I picked up on the day old rack at WalMart for just .50 each – was so good I will pick up bread at that price again & freeze just to have it on hand. I did add some left over nuts & a bit of oatmeal to topping!! I might even try it with the ever popular “”pumpkin spice” !! Thanks for the recipe!!!