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Quick Overnight Blueberry French Toast Casserole

A square serving of golden Blueberry French Toast Casserole topped with fresh blueberries and powdered sugar on a white plate.
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Prepare this easy, make-ahead French toast casserole the night before for a simple, impressive breakfast or brunch centerpiece.

Ingredients

Scale
  • 1 loaf (about 1 pound) French bread, challah, or brioche, cut into 1-inch cubes
  • 4 cups fresh or frozen blueberries
  • 1 cup cream cheese, cut into small cubes (optional swirl)
  • 6 large eggs
  • 2 cups milk (whole or 2%)
  • 1/2 cup granulated sugar
  • 1 teaspoon vanilla extract
  • 1 teaspoon ground cinnamon
  • 1/4 teaspoon salt
  • 1/4 cup butter, melted (for topping or streusel)
  • Powdered sugar, for dusting

Instructions

  1. Grease a 9×13 inch baking dish. Arrange half of the bread cubes in a single layer in the bottom of the dish.
  2. Sprinkle all the blueberries evenly over the bread layer. If using cream cheese, dot the cream cheese cubes randomly over the blueberries.
  3. Top with the remaining bread cubes.
  4. In a large bowl, whisk together the eggs, milk, granulated sugar, vanilla extract, cinnamon, and salt until fully combined.
  5. Slowly pour the egg mixture evenly over the bread and berries in the baking dish, pressing down gently so the bread absorbs the liquid.
  6. Cover the dish tightly with plastic wrap. Refrigerate for at least 4 hours, or preferably overnight.
  7. When ready to bake, preheat your oven to 350°F (175°C). Remove the plastic wrap.
  8. Drizzle the melted butter evenly over the top of the casserole.
  9. Bake for 45 to 55 minutes, or until the casserole is puffed, golden brown, and the center is set (no liquid remains when lightly touched).
  10. Let the casserole rest for 10 minutes before slicing and serving. Dust with powdered sugar.

Notes

  • For a crisp topping, mix 1/2 cup flour, 1/4 cup brown sugar, and 3 tablespoons cold butter until crumbly, then sprinkle over the top before baking.
  • If you need to bake this immediately, let the bread soak in the custard for 30 minutes before baking.
  • Use Challah bread for a richer texture in this make ahead breakfast casserole.
  • This recipe works well as a freezer friendly breakfast; cover tightly and freeze baked or unbaked for up to one month.

Nutrition

Find it online: https://daisyrecipe.com/blueberry-french-toast-casserole-recipe/