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French toast is so delightful. But, this easy overnight French toast casserole is even better than the traditional kind! Even better, we used leftover hot dog buns for a great way to use 'em up.

Overnight French Toast Casserole

4.74 from 76 votes
French toast is so delightful. But, this easy overnight French toast casserole is even better than the traditional kind! Even better, we used leftover hot dog buns for a great way to use 'em up.
Print Recipe Pin Recipe
Prep Time 15 minutes
Chilling Time 12 hours
Total Time 13 hours
Course: Breakfast
Cuisine: American
Ingredients Equipment Method Notes

Ingredients
  

French Toast Casserole
  • butter for greasing pan
  • 4-5 leftover hot dog buns
  • 4 eggs
  • 1 cup whole milk
  • 1/4 cup heavy cream
  • 1/4 cup granulated sugar
  • 1/4 cup brown sugar
  • 1 Tablespoon Rodelle vanilla extract
Topping
  • 1/2 cup all-purpose flour
  • 1/2 cup firmly packed brown sugar
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • 1/2 cup cold butter (1 stick) cut into pieces

Equipment

  • Bread/Loaf Pan

Method
 

  1. Grease your loaf/bread pan with butter. Rip your hot dog buns into big pieces and place in pan.
  2. In a medium bowl, whisk your eggs with the milk, heavy cream, granulated sugar, brown sugar, and vanilla.
  3. Pour the mixture evenly over the hot dog buns. Cover tightly with plastic wrap - not touching the mixture - just over the top of the pan. Place in the fridge and chill overnight.
  4. When ready to bake, preheat oven to 350 degrees F then prepare the topping. Add the flour, brown sugar, cinnamon, salt, and nutmeg in a medium sized bowl and whisk together. Add cubed butter and using a pastry cutter (or your fingers) mix together until pebble-like.
  5. Remove the casserole from the fridge, take off the plastic wrap, then spinkle the topping evenly over the bread mixture. Place in oven and bake for at least 45 minutes for a softer casserole and at least an hour for a firmer casserole.
  6. Remove from oven and let cool for a few mintues. Scoop out servings and top with fresh fruit, syrup, powdered sugar, or eat as is! Leftovers should be covered and refrigerated and will stay good for up to 3 days. Just reheat in a microwave safe bowl.

Notes

Recipe adapted from The Pioneer Woman.