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Best Blueberry French Toast Casserole

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The Best Blueberry French Toast Casserole is a warm, soft, and fruity breakfast bake layered with juicy blueberries and cinnamon-spiced bread soaked in a rich custard. It’s perfect for make-ahead brunches, holidays, or lazy mornings.

Ingredients

  • 1 loaf day-old brioche, challah, or French bread, cubed (about 10 cups)
  • 6 large eggs
  • 2 ½ cups milk (or half-and-half for richness)
  • ⅓ cup maple syrup or brown sugar
  • 1 tablespoon vanilla extract
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon salt
  • 1 ½ cups fresh or frozen blueberries, divided
  • Optional: 1 cup cream cheese, cut into small cubes
  • Optional toppings: powdered sugar, maple syrup, or extra blueberries for serving

Instructions

  1. Lightly grease a 9×13-inch baking dish. Add cubed bread and half of the blueberries (and cream cheese cubes, if using).
  2. In a large bowl, whisk together eggs, milk, maple syrup, vanilla, cinnamon, and salt until well combined.
  3. Pour the egg mixture evenly over the bread. Press down gently to help the bread absorb the custard.
  4. Sprinkle remaining blueberries over the top. Cover and refrigerate for at least 2 hours or overnight.
  5. When ready to bake, preheat oven to 350°F (175°C). Uncover and bake for 45–50 minutes until golden and set.
  6. Let rest for 5–10 minutes before serving. Top with maple syrup, powdered sugar, or more blueberries as desired.

Notes

  • Letting it soak overnight enhances the custardy texture.
  • Use frozen blueberries straight from the freezer—no need to thaw.
  • Add streusel topping for crunch, or swap in mixed berries.
  • Use plant-based milk and skip cream cheese to make it dairy-free.
  • Wrap tightly and freeze for longer storage—thaw before baking or reheating.

Nutrition

Find it online: https://recipesbyliza.com/best-blueberry-french-toast-casserole/