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French Toast Breakfast Casserole

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A rich and comforting French toast breakfast casserole made with thick-cut bread soaked in a sweet cinnamon-vanilla custard, perfect for make-ahead breakfasts or brunch gatherings.

Ingredients

Scale
  • 1 loaf French bread, cut into 1-inch cubes (about 10 cups)
  • 8 large eggs
  • 2 1/2 cups whole milk
  • 1/2 cup heavy cream
  • 3/4 cup brown sugar
  • 2 teaspoons vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon ground nutmeg
  • 1/4 teaspoon salt
  • 2 tablespoons unsalted butter, melted
  • Optional toppings: powdered sugar, maple syrup, fresh berries

Instructions

  1. Grease a 9×13 inch baking dish and place the cubed French bread evenly inside.
  2. In a large bowl, whisk together the eggs, milk, cream, brown sugar, vanilla, cinnamon, nutmeg, and salt.
  3. Pour the custard mixture evenly over the bread cubes, pressing gently to help the bread soak it up.
  4. Cover the dish with plastic wrap and refrigerate for at least 4 hours or overnight.
  5. Preheat oven to 350°F (175°C). Let the casserole sit at room temperature while the oven heats.
  6. Drizzle the melted butter over the top and cover with foil.
  7. Bake for 30 minutes covered, then uncover and bake for another 20–25 minutes, until the top is golden and the custard is set.
  8. Let rest for 5–10 minutes before serving with desired toppings.

Notes

  • Use day-old bread for best results—it soaks up the custard better without getting soggy.
  • You can add chopped nuts or fruit to the casserole before baking for extra texture and flavor.
  • This casserole can be prepared the night before and baked in the morning.

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