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Dreamy Blueberry Baked French Toast Casserole in 5 Easy Steps

blueberry baked french toast casserole

A delicious make-ahead breakfast casserole with brioche, blueberries, and a rich custard, perfect for brunch or holidays.

Ingredients

Scale
  • 1 loaf brioche or challah (about 1416 oz), cut into 1-inch cubes
  • 2 cups fresh blueberries (plus extra for topping)
  • 8 large eggs
  • 2 cups whole milk
  • 1/2 cup heavy cream
  • 1/2 cup granulated sugar
  • 2 tbsp brown sugar
  • 2 tsp vanilla extract
  • 1 tsp ground cinnamon
  • 1/4 tsp salt
  • 2 tbsp unsalted butter, melted (plus more for greasing)
  • Powdered sugar (for serving)
  • Warm maple syrup (for serving)

Instructions

  1. Grease a 9×13-inch baking dish with butter.
  2. Spread bread cubes evenly in the dish and sprinkle blueberries throughout.
  3. In a large bowl, whisk eggs, milk, cream, granulated sugar, brown sugar, vanilla, cinnamon, and salt until smooth. Whisk in melted butter.
  4. Pour custard over the bread. Press down gently so the bread absorbs the liquid. Cover and refrigerate at least 4 hours, preferably overnight.
  5. Preheat oven to 350°F. Bake uncovered for 40–50 minutes, until puffed, golden brown, and the center is set (internal temp about 160°F).
  6. Cool 10 minutes. Dust with powdered sugar, top with extra blueberries, and drizzle with warm maple syrup.

Notes

  • Best prepared the night before for easy morning baking.
  • Use day-old bread for better texture.
  • Can substitute frozen blueberries if fresh are unavailable.

Nutrition

Keywords: blueberry baked french toast casserole, blueberry french toast bake, blueberry breakfast casserole, make ahead brunch, breakfast bake recipe, easy holiday brunch