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Overnight Blueberry Cream Cheese French Toast Casserole

A close-up of a square slice of rich Blueberry French Toast Casserole showing toasted bread cubes, creamy filling, and bursting blueberries.

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Prepare this make-ahead breakfast bake the night before for a stress-free morning. This recipe features soft bread soaked in a rich custard, layered with cream cheese, and filled with juicy blueberries, making it perfect for holidays or weekend brunch crowds.

Ingredients

Scale
  • 1 loaf (about 1 pound) brioche or challah bread, cut into 1-inch cubes
  • 8 ounces cream cheese, softened and cut into small cubes
  • 2 cups fresh or frozen blueberries
  • 1 teaspoon ground cinnamon
  • 1/4 cup granulated sugar (for topping)
  • 1/2 cup chopped pecans or walnuts (optional, for topping)
  • 6 large eggs
  • 2 cups whole milk
  • 1/2 cup granulated sugar (for custard)
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon ground nutmeg
  • 1/4 teaspoon salt

Instructions

  1. Lightly grease a 9×13 inch baking dish. Arrange half of the cubed bread evenly in the bottom of the dish.
  2. Distribute the small cubes of softened cream cheese over the bread layer. Sprinkle half of the blueberries over the cream cheese layer.
  3. Top with the remaining bread cubes, followed by the remaining blueberries.
  4. In a large bowl, whisk together the eggs, milk, 1/2 cup sugar, vanilla extract, nutmeg, and salt until fully combined to create the custard.
  5. Slowly pour the custard mixture evenly over the bread and berries in the baking dish, pressing down gently to help the bread absorb the liquid.
  6. In a small bowl, mix the 1/4 cup sugar, cinnamon, and pecans (if using) for the topping. Sprinkle this mixture over the top of the casserole.
  7. Cover the baking dish tightly with plastic wrap. Refrigerate for at least 4 hours, or preferably overnight (up to 12 hours).
  8. When ready to bake, preheat your oven to 350 degrees Fahrenheit (175 degrees Celsius). Remove the plastic wrap.
  9. Bake uncovered for 45 to 55 minutes, or until the casserole is puffed, golden brown, and the center is set (a knife inserted near the center comes out mostly clean).
  10. Let the French toast bake rest for 10 minutes before slicing and serving. Serve warm with maple syrup if desired.

Notes

  • Using day-old bread helps the casserole achieve a better, custardy texture without becoming mushy.
  • For an extra bright flavor, you can add the zest of one lemon to the custard mixture.
  • This recipe is excellent for feeding a crowd; it easily scales up or down for different pan sizes.

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