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Easy Overnight French Toast Casserole for a Stress-Free Brunch

A thick, square slice of baked overnight french toast, dusted with powdered sugar, on a white plate.
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Prepare this rich, custardy overnight French toast casserole the night before. Wake up to a delicious, baked French toast that requires minimal morning effort, perfect for weekend brunch or feeding a crowd.

Ingredients

Scale
  • 1 loaf (about 1 pound) brioche or challah bread, cut into 1-inch cubes
  • 6 large eggs
  • 2 cups whole milk or half-and-half
  • 1/2 cup granulated sugar
  • 2 teaspoons vanilla extract
  • 2 teaspoons ground cinnamon
  • 1/2 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • 1/2 cup maple syrup, for serving
  • Powdered sugar, for dusting

Instructions

  1. Lightly grease a 9×13 inch baking dish. Arrange the bread cubes evenly in the prepared dish.
  2. In a large bowl, whisk together the eggs, milk, granulated sugar, vanilla extract, cinnamon, nutmeg, and salt until well combined.
  3. Pour the egg mixture slowly and evenly over the bread cubes, pressing down gently to help the bread absorb the custard.
  4. Cover the baking dish tightly with plastic wrap. Refrigerate for at least 8 hours, or preferably overnight.
  5. When ready to bake, preheat your oven to 350 degrees Fahrenheit. Remove the plastic wrap from the dish.
  6. Bake for 45 to 55 minutes, or until the casserole is puffed, set in the center, and golden brown on top.
  7. Let the casserole rest for 10 minutes before serving. Dust generously with powdered sugar and serve warm with maple syrup.

Notes

  • If your bread is very fresh, let the cubes sit out on a baking sheet for an hour to dry slightly before assembling. This helps prevent a soggy texture.
  • For an extra layer of flavor, sprinkle 1/4 cup of brown sugar mixed with 1 tablespoon of melted butter over the top before baking.
  • This recipe works well for holiday breakfast events or feeding a crowd.

Nutrition

Find it online: https://devourdish.com/overnight-french-toast-casserole-recipe/