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Overnight French Toast Casserole in pan on a wooden table with one piece taken out.
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5 from 1 vote

Overnight French Toast Casserole

This Overnight French Toast Casserole is perfect for prepping ahead so it's easy to throw in the oven for a special breakfast, brunch, or just a delicious way to start your day!
Prep Time15 minutes
Cook Time45 minutes
Resting Time4 hours
Total Time5 hours
Course: Breakfast
Keyword: Overnight French Toast Casserole
Servings: 12 people
Calories: 405kcal
Author: Amanda Rettke--iambaker.net

Ingredients

  • 1 loaf (16 ounces) Brioche bread, cubed
  • 8 large eggs, room temperature, beaten
  • 2 cups (490 g) whole milk, room temperature
  • ½ cup (119 g) heavy whipping cream, room temperature
  • ¾ cup (150 g) light brown sugar, packed
  • 2 teaspoons vanilla extract
  • 1 teaspoon cinnamon
  • ½ teaspoon kosher salt

Topping

  • ½ cup (62.5 g) all-purpose flour
  • ½ cup (100 g) light brown sugar, packed
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon kosher salt
  • ½ cup (1 stick / 113 g) unsalted butter, melted
  • confectioners' sugar, for garnish
  • pure maple syrup, for serving

Instructions

  • Spray a 9x13-inch baking dish with nonstick cooking spray.
  • Add the bread cubes to the dish in an even layer. Set aside.
  • In a large bowl, whisk together the eggs, milk, heavy cream, brown sugar, vanilla, cinnamon, and salt until smooth and fully combined.
  • Pour the egg mixture evenly over the bread cubes, gently pressing down to ensure all of the bread gets soaked. Cover the dish tightly with plastic wrap and refrigerate for at least 4 hours, or up to overnight.
  • In a medium bowl, whisk together the flour, brown sugar, cinnamon, and kosher salt for the topping. Add the melted butter and mix until crumbly and well combined. Cover the topping mixture and refrigerate until ready to bake.
  • When ready to bake, preheat the oven to 350°F (175°C).
  • Remove the casserole from the refrigerator. Sprinkle the prepared topping evenly over the soaked bread cubes.
  • Bake the casserole uncovered for 45-55 minutes, or until the top is golden brown and the center is set.
  • Let the casserole rest for 10 minutes before serving.
  • Dust with confectioners' sugar and drizzle with maple syrup.

Video

Nutrition

Serving: 1portion | Calories: 405kcal