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Cozy Overnight French Toast Casserole

overnight french toast casserole - featured image

A comforting, easy-to-make breakfast casserole featuring stale bread soaked in a rich custard of eggs, milk, and cream, baked until golden and crispy on top with a soft, custardy center.

Ingredients

Scale
  • 10–12 cups cubed stale bread (sourdough or brioche recommended)
  • 6 large eggs
  • 1/2 cup heavy cream
  • 1 cup whole milk
  • 1/2 cup granulated white sugar
  • 2 teaspoons pure vanilla extract
  • 1 teaspoon ground cinnamon
  • 4 tablespoons unsalted butter, melted

Instructions

  1. Cube the bread into one-inch pieces. If fresh, air dry for 1-2 hours or toast at 300°F for 10 minutes to remove moisture.
  2. Place bread cubes into a 9×13 inch baking dish in a single layer or slightly overlapping.
  3. In a large bowl, whisk together eggs, heavy cream, milk, sugar, vanilla extract, and cinnamon until sugar is dissolved.
  4. Pour custard mixture over the bread, gently pressing down to ensure all pieces are submerged.
  5. Cover tightly with plastic wrap and refrigerate overnight or for at least 4 hours.
  6. Preheat oven to 350°F (175°C). Remove dish from fridge and let sit at room temperature for 20 minutes.
  7. Drizzle melted butter evenly over the top of the soaked bread.
  8. Bake for 45-55 minutes until top is golden brown and puffed, and a knife inserted in the center comes out clean.
  9. Let rest for 10 minutes before slicing and serving.

Notes

Stale bread is crucial for absorbing the custard without becoming mushy. Ensure the bread is fully submerged during soaking. If the top browns too quickly, cover loosely with foil for the last 10 minutes. Let the casserole rest for 10 minutes after baking to allow the custard to set.

Nutrition

Keywords: french toast casserole, overnight breakfast, easy brunch, comfort food, holiday breakfast, meal prep