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A piece of french toast casserole with syrup being poured over the top.

French Toast Casserole

This french toast casserole is pieces of challah bread soaked in a sweet custard mixture, then topped with cinnamon streusel and baked to golden brown perfection. A make ahead breakfast option that's perfect for serving a crowd.
Course Breakfast
Cuisine American
Prep Time 15 minutes
Cook Time 1 hour
Soaking Time 2 hours
Total Time 3 hours 15 minutes
Servings 12
Calories 441kcal
Author Sara Welch


For the casserole

  • 16 ounce loaf challah bread cut into 1 inch pieces
  • 8 eggs
  • 2 cups whole milk
  • 1/2 cup heavy cream
  • 3/4 cup granulated sugar
  • 2 teaspoons vanilla extract
  • 1/4 teaspoon cinnamon
  • cooking spray
  • maple syrup and fruit for serving optional

For the topping

  • 3/4 cup all purpose flour
  • 3/4 cup brown sugar packed
  • 1/2 teaspoon cinnamon
  • 1/4 teaspoon salt
  • 12 tablespoons butter cold, cut into slices


  • Coat a 9"x13" pan with cooking spray.
  • Place the bread cubes in an even layer in the pan.
  • In a large bowl, whisk together the eggs, milk, cream, sugar, vanilla extract and cinnamon.
  • Pour the egg mixture over the bread cubes. Cover and refrigerate for at least 2 hours or over night.
  • Place the flour, brown sugar, cinnamon and salt in a large bowl. Stir to combine.
  • Add the butter to the bowl. Use a pastry blender or two forks to cut the butter into the flour mixture until coarse crumbs form.
  • Refrigerate the streusel mixture until you're ready to use it.
  • Preheat the oven to 350 degrees F. Sprinkle the streusel mixture over the french toast.
  • Bake for 50-60 minutes until casserole is browned and cooked through. If the casserole looks like it's browning too quickly before the bake time is over, cover it with foil.
  • Cool for 10 minutes, then cut into squares. Serve with maple syrup and fruit if desired.


Calories: 441kcal | Carbohydrates: 53g | Protein: 10g | Fat: 21g | Saturated Fat: 12g | Cholesterol: 176mg | Sodium: 359mg | Potassium: 175mg | Fiber: 1g | Sugar: 29g | Vitamin A: 800IU | Calcium: 120mg | Iron: 2mg