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Easy Blueberry Lemon French Toast Bake with Crunchy Streusel

blueberry lemon french toast bake - featured image

A quick and easy French toast bake featuring tangy lemon zest, juicy blueberries, and a sweet crunchy streusel topping. Perfect for fuss-free brunches or potlucks.

Ingredients

Scale
  • 8 cups day-old brioche or challah bread, cut into 1-inch cubes
  • 1 ½ cups fresh or frozen blueberries
  • Zest of 1 large lemon
  • 6 large eggs, room temperature
  • 2 cups whole milk or 2%
  • ½ cup heavy cream
  • ¾ cup granulated sugar
  • 2 teaspoons vanilla extract
  • ¼ teaspoon salt
  • For the streusel topping:
  • ½ cup all-purpose flour
  • ½ cup packed brown sugar
  • ¼ cup cold unsalted butter, cut into small cubes
  • 1 teaspoon ground cinnamon
  • ¼ teaspoon salt

Instructions

  1. Preheat oven to 350°F (175°C). Lightly grease a 9×13-inch baking dish. Spread cubed bread evenly in the dish. Sprinkle blueberries and lemon zest over the bread cubes.
  2. In a large mixing bowl, whisk together eggs, milk, heavy cream, granulated sugar, vanilla extract, and salt until smooth and slightly frothy.
  3. Pour custard evenly over the bread and blueberries. Gently press bread cubes down with a rubber spatula to absorb custard. Let sit for 15 minutes to soak (or cover and refrigerate overnight).
  4. Prepare streusel topping by combining flour, brown sugar, cinnamon, and salt in a small bowl. Add cold butter cubes and cut into mixture with a pastry cutter or fingers until coarse crumbs form.
  5. Sprinkle streusel evenly over soaked bread and custard. Bake uncovered for 40-45 minutes until top is golden brown and custard is set. Cover loosely with foil if browning too quickly.
  6. Let bake cool for at least 10 minutes before serving. Serve warm with maple syrup, powdered sugar, or whipped cream if desired.

Notes

Use day-old bread for best custard absorption. Let bread soak at least 15 minutes or overnight for best texture. Keep butter cold when making streusel for a crunchy topping. Frozen blueberries can be used without thawing to avoid watery bake. Cover with foil if streusel browns too fast. This bake can be prepared the night before by soaking bread in custard and refrigerating.

Nutrition

Keywords: blueberry, lemon, french toast bake, streusel, brunch, easy breakfast, baked french toast, lemon zest, blueberry bake