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White baking dish of blueberry French toast casserole with powdered sugar sprinkled on top, fresh blueberries, fresh mint, a stripped blue tea towel and silver spatula on the side on the white background.

Blueberry French Toast Casserole

Author: Stephanie Kay

This one-pan blueberry French toast casserole is the perfect dish to add to your brunch recipe repertoire. Not only is it easy to make, but you can prep it ahead of time and pop it in the oven when you are ready to eat.

  • Author: Stephanie Kay
  • Prep Time: 2 hours and 20 minutes
  • Cook Time: 45 minutes
  • Total Time: 0 hours
  • Yield: 8 slices 1x
  • Category: Breakfast
  • Method: Baked

Ingredients

Instructions

  1.  Grease a 9×13-inch baking dish with butter.
  2. In a large bowl, crack the eggs, add the milk, maple syrup, vanilla extract, lemon zest, ground cinnamon, and salt, and whisk until well combined.
  3. Add half the bread cubes to the greased baking dish, then sprinkle the top with half of the blueberries, then top with the remaining bread cubes.
  4. Pour the egg mixture into the baking dish over top of the bread, ensuring it’s evenly coated. Using the back of a spatula, press the bread mixture down into the egg mixture slightly to ensure it’s mostly submerged, but it’s okay if small pieces of bread pop up. Then sprinkle the remaining blueberries on top.
  5. Cover the baking dish tightly with plastic wrap or aluminium foil, then transfer it to the fridge for at least 2 hours or overnight for up to 12 hours.
  6. When you are ready to bake, warm the oven to 350°F,  then transfer the baking dish to the oven, and cook for 45-50 minutes until the egg mixture is set and the top is golden brown.
  7. Once cooked, the blueberry French toast casserole can be served immediately or cooled completely and stored in an airtight container in the fridge for up to 5 days or in the freezer for up to 3 months.

Notes

To Use Brown Sugar: Swap the maple syrup for 1/2 cup packed brown sugar in step #2.

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