5 from 9 votes
Overhead shot of one/fourth of a blueberry French toast casserole, with a serving removed, and a wooden spoon inside it.
Blueberry French Toast Casserole
Prep Time
15 mins
Cook Time
40 mins
Total Time
55 mins
Blueberry French Toast Casserole is a perfect make-ahead dish for any holiday, family and friend gathering, or low-key lazy weekend brunch. Crusty bread PLUS blueberries get soaked in an egg custard, and then topped with a delicious buttery crumble. Leftovers are delish as well!
Course: Breakfast
Cuisine: American
Keyword: blueberry french toast casserole, make ahead french toast
Servings: 12 servings
Calories: 420 kcal
Author: Sue Ringsdorf
For the casserole:
  • 14 cups crusty French bread or sourdough bread - cut into cubes
  • 1 1/2 cup fresh or frozen blueberries
  • 10 large eggs
  • 2 cups half and half
  • 1 cup 1% milk
  • 1 Tablespoon vanilla
  • 2/3 cup brown sugar
  • 2 teaspoons cinnamon
  • 1 teaspoon nutmeg
For the topping:
  • 1/2 cup all-purpose flour
  • 1/2 cup brown sugar
  • 2 teaspoons cinnamon
  • 1/2 teaspoon kosher salt
  • 1/2 cup unsalted butter - cubed
To serve:
  • powdered sugar dusting
  • pat of butter
  • warm maple or blueberry syrup
For the casserole:
  1. Grease a 9x13 casserole dish.

  2. Cube the crusty bread, and place in casserole dish. Sprinkle the blueberries on top of the bread. Set aside.

  3. In a large mixing bowl, whisk the eggs, half and half, milk, vanilla, brown sugar, cinnamon, and nutmeg. Pour evenly over the the bread and blueberries.

  4. If making this casserole the day before, cover the casserole dish tightly with Saran Wrap. Place in refrigerate overnight.

For the topping:
  1. In a medium bowl, mix together the flour, brown sugar, cinnamon and salt. Add the cubed butter and use a pastry cutter (or your fingers) to combine, pressing until the mixture is crumbled.

  2. If making this casserole the day before, place mixture in a resealable plastic bag in your refrigerator overnight. (Continue with the following step in the morning.)

  3. Pour topping mixture evenly over the casserole right before baking. Bake at 350 degrees for approximately 35-40 minutes.

  4. Serve French toast casserole with a dusting of powdered sugar, a pat of butter, and some warm syrup. Enjoy!

Nutrition Facts
Blueberry French Toast Casserole
Amount Per Serving
Calories 420 Calories from Fat 153
% Daily Value*
Fat 17g26%
Saturated Fat 9g56%
Cholesterol 212mg71%
Sodium 388mg17%
Potassium 243mg7%
Carbohydrates 52g17%
Fiber 1g4%
Sugar 25g28%
Protein 12g24%
Vitamin A 685IU14%
Vitamin C 2.2mg3%
Calcium 138mg14%
Iron 2.7mg15%
* Percent Daily Values are based on a 2000 calorie diet.