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Pouring syrup on Front view of overnight gluten-free french toast casserole topped with berries, almonds, and powdered sugar

Gluten-Free French Toast Casserole


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5 from 1 review

  • Author: One Lovely Life
  • Total Time: About 1 hour hands-on
  • Yield: 8 Generous servings 1x
  • Diet: Gluten Free

Description

Gluten-Free French Toast Casserole – This easy overnight French toast casserole takes all the hassle out of French toast! Try our classic recipe or one of the tasty variations below for a fun treat! (Gluten-Free + Dairy-Free)

**It’s really important that you use dry or slightly stale bread for this recipe so it doesn’t go soggy. See the notes section below for tips on speeding things along if your bread isn’t dry/stale. 


Ingredients

Scale
  • 1 (15 oz) loaf dry or slightly stale gluten-free bread* (I like Canyon Bakehouse for this!), cut into 1-inch cubes (you’ll have about 910 cups cubed bread)
  • 5 eggs
  • 1 1/2 cup milk (regular or dairy-free milk: I use unsweetened almond milk)
  • 1/3 cup pure maple syrup, white sugar, or brown sugar
  • 2 Tbsp. butter or vegan butter, melted
  • 1 Tbsp. vanilla extract
  • 2 tsp. ground cinnamon
  • 1/8 tsp. salt

OPTIONAL TOPPINGS: pure maple syrup, powdered sugar, fresh berries, sliced peaches, toasted pecans, sliced almonds, etc.


Instructions

  1. Preheat the oven to 350 degrees F. if you’re making this right away. (Don’t preheat if you’re making it the night before)
  2. Grease a 9×13″ (3-quart) baking dish and add the diced bread cubes.
  3. In a medium bowl, whisk together eggs, milk, syrup/sugar, butter/vegan butter, vanilla, cinnamon, and salt. (The cinnamon may look a little clumpy. Don’t worry!)
  4. Pour the egg/milk mixture over the bread in the baking dish, doing your best to evenly coat the bread.
  5. Use a spatula to *gently* pat down the bread so it’s all coated in the egg mixture.
  6. Cover the baking dish with foil.

IF YOU’RE MAKING IT THE SAME MORNING:

  1. Let the casserole sit at least 15-20 minutes if you can to allow it some time to absorb the custard. (1-2 hours in the refrigerator is better, if you have the time!)
  2. Place the baking dish in the oven and bake 30 minutes covered.
  3. Remove the foil and bake the French toast casserole an additional 15-20 minutes or until the top is golden.
  4. Cool 5 minutes or so, then cut into slices + top with powdered sugar or your favorite garnishes.

IF YOU’RE MAKING IT THE NIGHT BEFORE:

  1. Refrigerate 8-12 hours overnight in the refrigerator.
  2. Preheat the oven to 350 degrees F.
  3. Place the baking dish in the oven and bake 30 minutes covered.
  4. Remove the foil and bake the French toast casserole an additional 15-20 minutes or until the top is golden.
  5. Cool 5 minutes or so, then cut into slices + top with powdered sugar or your favorite garnishes.

Notes

*HOW TO DRY BREAD FOR FRENCH TOAST CASSEROLE: If your bread isn’t dry, you can leave it out overnight or all day to dry, or pop it in a 200 degree oven on a baking sheet for about 10 minutes to speed things along. Let the bread cool completely before proceeding with the recipe.

  • Prep Time: 15 minutes + 8 hours to soak
  • Cook Time: 45-50 minutes
  • Category: Breakfast
  • Method: Oven
  • Cuisine: American