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Overnight French Toast Casserole with Berry Streusel Recipe

4.5 from 96 reviews
  • Author: Megane
  • Prep Time: 15 min
  • Cook Time: 60 min
  • Total Time: 4 hr 15 min
  • Yield: 10 servings
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Description

This Overnight French Toast casserole is a delicious and convenient breakfast option that can be prepped the night before and baked in the morning. Featuring day-old French bread soaked in a rich egg and milk mixture, topped with a brown sugar streusel and fresh berries, it’s perfect for holiday brunches or weekend breakfasts.


Ingredients

Scale

Main Ingredients

  • 1 loaf day-old French bread, cubed (about 10 cups) (sourdough or challah work great too)
  • 2 cups whole milk
  • 7 large eggs
  • 3/4 cup light brown sugar, packed
  • 3/4 teaspoon ground cinnamon
  • Pinch kosher salt

Streusel Topping

  • 1/2 cup salted butter, cubed
  • 1/2 cup all-purpose flour
  • 1/2 cup light brown sugar, packed

Additional

  • 1 cup berries (frozen or fresh)


Instructions

  1. Prepare the Bread: Cube the day-old French bread into approximately 1-inch pieces to ensure even soaking and baking.
  2. Make the Custard: In a large mixing bowl, whisk together the whole milk, eggs, light brown sugar, ground cinnamon, and a pinch of kosher salt until fully combined.
  3. Combine Bread and Custard: Add the cubed bread into the custard mixture, gently pressing the bread down to make sure it soaks up the liquid evenly. Cover and refrigerate overnight to allow the bread to absorb the custard.
  4. Prepare the Streusel Topping: In a separate bowl, use a pastry cutter or fork to combine the cubed salted butter, all-purpose flour, and light brown sugar until the mixture resembles coarse crumbs.
  5. Preheat Oven: When ready to bake, preheat your oven to 350°F (175°C).
  6. Assemble the Casserole: Transfer the soaked bread and custard mixture into a greased baking dish. Evenly sprinkle the streusel topping over the surface, then scatter the berries on top.
  7. Bake: Bake the casserole in the preheated oven for about 60 minutes, or until the top is golden brown and the custard is set (a knife inserted should come out clean).
  8. Cool and Serve: Let the casserole cool for a few minutes before serving warm, optionally topped with syrup or additional berries.

Notes

  • Prep the night before then bake this easy overnight French toast casserole in the morning for a stress-free breakfast.
  • The brown sugar streusel topping adds a sweet, crunchy contrast to the soft custardy bread.
  • Frozen berries work well and can be used straight from the freezer.
  • Day-old bread is essential to prevent the casserole from becoming too soggy.
  • Use challah or sourdough for extra flavor and texture variations.

Nutrition

  • Serving Size: 1 serving
  • Calories: 405 kcal
  • Sugar: 32 g
  • Sodium: 390 mg
  • Fat: 15 g
  • Saturated Fat: 8 g
  • Unsaturated Fat: 5 g
  • Trans Fat: 0.4 g
  • Carbohydrates: 57 g
  • Fiber: 2 g
  • Protein: 11 g
  • Cholesterol: 160 mg