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Irresistibly Gooey Overnight Blueberry French Toast Casserole


  • Author: sara
  • Total Time: 60 minutes
  • Yield: 8 servings 1x
  • Diet: Vegetarian

Description

A comforting overnight casserole featuring buttery bread soaked in a creamy custard and bursting with fresh blueberries.


Ingredients

Scale
  • 1 loaf brioche or challah bread, torn into pieces
  • 6 large eggs
  • 2 cups whole milk (or almond milk for dairy-free)
  • 3/4 cup granulated sugar (or brown sugar)
  • 1 tablespoon vanilla extract
  • 1 teaspoon cinnamon
  • 2 cups fresh blueberries (or thawed frozen blueberries)
  • 2 tablespoons unsalted butter, for greasing
  • Powdered sugar, for serving
  • Maple syrup, for serving

Instructions

  1. Preheat your oven to 350°F (175°C) and grease a 9×13 inch casserole dish with unsalted butter.
  2. In a large bowl, whisk together the eggs, milk, sugar, vanilla extract, and cinnamon until well combined and frothy.
  3. Tear the bread into bite-sized pieces and add to the egg mixture, allowing it to soak for about 10 minutes.
  4. Fold in the blueberries gently, reserving a handful for topping.
  5. Pour the mixture into the prepared baking dish, spreading evenly. Top with reserved blueberries and dot with small chunks of butter.
  6. Cover with plastic wrap or foil and refrigerate overnight.
  7. Remove from the fridge and let sit at room temperature for about 20 minutes before baking.
  8. Bake uncovered for 40-45 minutes until the top is golden brown and the center is set.
  9. Allow to cool slightly before serving, dust with powdered sugar and drizzle with maple syrup if desired.

Notes

For a healthier version, consider using whole grain bread and reducing the sugar. Feel free to customize toppings or add different fruits.

  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 serving
  • Calories: 350
  • Sugar: 18g
  • Sodium: 300mg
  • Fat: 12g
  • Saturated Fat: 6g
  • Unsaturated Fat: 6g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 3g
  • Protein: 10g
  • Cholesterol: 180mg

Keywords: blueberry, french toast, casserole, overnight, breakfast