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Crispy Baked Blueberry Lemon French Toast Casserole Easy Recipe with Streusel Crunch

blueberry lemon french toast casserole - featured image
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A bright and comforting baked French toast casserole featuring juicy blueberries, fresh lemon zest, and a buttery streusel topping that delivers a perfect crispy crunch.

Ingredients

Scale
  • 1 loaf of day-old brioche or challah bread, cut into 1-inch cubes
  • 6 large eggs, room temperature
  • 2 cups whole milk (or almond milk for dairy-free option)
  • 1/2 cup granulated sugar
  • 1 tablespoon pure vanilla extract
  • 2 teaspoons lemon zest, freshly grated
  • 1/4 teaspoon salt
  • 1 cup fresh blueberries (frozen can be used, do not thaw)
  • 1/2 cup all-purpose flour
  • 1/2 cup rolled oats (not instant)
  • 1/3 cup packed brown sugar
  • 1 teaspoon lemon zest
  • 1/4 teaspoon ground cinnamon (optional)
  • 6 tablespoons cold unsalted butter, cut into small cubes

Instructions

  1. Cut day-old brioche or challah into 1-inch cubes and spread evenly in a greased 9×13-inch baking dish.
  2. In a large bowl, whisk together eggs, whole milk, granulated sugar, vanilla extract, lemon zest, and salt until smooth.
  3. Pour custard mixture evenly over bread cubes, pressing gently to soak all pieces. Let sit for 10-15 minutes or cover and refrigerate overnight.
  4. In a separate bowl, combine flour, rolled oats, brown sugar, lemon zest, and cinnamon. Add cold butter cubes and cut into mixture with a pastry cutter or fork until coarse crumbs form.
  5. Preheat oven to 350°F (175°C). Sprinkle streusel topping evenly over soaked bread and custard. Scatter fresh blueberries on top, pressing gently into topping.
  6. Bake uncovered for 45-50 minutes until top is golden brown and custard is set. Tent with foil if edges brown too quickly.
  7. Let casserole cool for at least 10 minutes before serving. Serve warm with powdered sugar, maple syrup, or whipped cream if desired.

Notes

Use day-old or stale bread to prevent sogginess. Keep butter cold for a crisp streusel topping. Do not over-soak the bread to avoid mushiness. Add blueberries on top before baking to prevent them from sinking. Assemble the night before and refrigerate for convenience. Reheat in oven to restore crispness; avoid microwaving.

Nutrition

Keywords: blueberry, lemon, French toast casserole, baked French toast, streusel topping, brunch recipe, easy breakfast, holiday brunch

Find it online: https://twirltaste.com/crispy-baked-blueberry-lemon-french-toast-casserole-easy-recipe-with-streusel-crunch/