Most french toast casserole recipes need to sit in the fridge overnight before baking. This one doesn't. This gluten free apple cinnamon french toast casserole comes together and bakes the same day, so you can have a warm, cozy breakfast on the table in under an hour.

Tender cinnamon apples bake right into layers of soft gluten free bread for a comforting twist on classic french toast.
It's perfect for a weekend brunch or a lazy holiday morning. I love serving it warm with a drizzle of maple syrup and a hot cup of coffee.
You might also enjoy my Gluten Free Biscuits and Gravy Casserole, my Gluten Free Tater Tot Breakfast Casserole, my Pumpkin Apple Baked Oatmeal with Streusel Topping or my Gluten Free Air Fryer Apple Fritters.
You can find all of my breakfast recipes here: Gluten Free Breakfast Recipes

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What Gluten Free Bread to Use
Not all gluten free bread works the same way in this recipe. A firm, hearty loaf holds up best. Canyon Bakehouse is a good widely available option and works well here. My own Gluten Free Sourdough Bread also holds up beautifully, since its denser texture soaks up the egg mixture without falling apart. Avoid a soft, airy sandwich style bread. It tends to turn mushy instead of holding its shape once baked.
Dairy Free Option
This recipe can easily be made dairy free. Swap the half-n-half for a full fat coconut milk or your favorite unsweetened dairy free milk. Use dairy free butter in place of the unsalted butter. The texture stays just as rich, and the apple cinnamon flavor still comes through in every bite.
Try It with a Cream Cheese Glaze
For an extra special touch, drizzle a simple cream cheese glaze over the top before serving. Mix together 2 ounces of softened cream cheese, ½ cup of powdered sugar, and 2 to 3 tablespoons of milk until smooth. Drizzle it over the warm casserole right before serving for a treat that tastes like a cinnamon roll.
Storage
Store leftover casserole covered in the refrigerator for up to 4 days. Reheat individual portions in the microwave, or reheat the full dish following the same low and slow method in your FAQ above, covered with foil at 250 degrees for 8 to 10 minutes.
Top Tip
This casserole is the perfect way to use up stale bread and apples that have been lingering in the fruit basket. I prefer this casserole's texture with stale bread and really ripe apples give a sweet flavor to the topping.
You can make this gluten free apple cinnamon french toast casserole the day before and then reheat before serving. I love it served hot with a cup of coffee. It makes a delicious Sunday breakfast or brunch!
Frequently Asked Questions
To prevent soggy gluten free french toast casserole I like to use slightly stale bread. It will help the casserole to be dense if you use heavily crusted bread like french bread, sourdough or a peasant loaf.
Be sure to use the entire loaf of bread, even if it seems like a lot. You will need the bread to soak up the egg mixture so the casserole doesn't get soggy. Keep in mind, some of the bread sticking up and not getting coated by egg mixture is absolutely fine.
Yes! You can make this dish and bake it the day before you need it. Then preheat your oven to 250 degrees and put the casserole in covered by tinfoil for 8-10 minutes. Check the casserole to see if it's at your desired temperature.
Serve the casserole warm with butter and maple syrup.
No! This gluten free apple cinnamon french toast casserole is completely made in the same day. There is no need for it to sit overnight. You can have this yummy breakfast on the table in under an hour.
If you do want to make this casserole a day before serving you should bake it and then reheat the next day. Letting this casserole sit overnight unbaked may cause it to be soggy the next day.
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Gluten Free Apple Cinnamon French Toast Casserole
- Total Time: 1 hour
- Yield: 8 servings 1x
- Diet: Gluten Free
Description
Tender cinnamon apples bake right into layers of soft gluten free bread for a warm, cozy breakfast casserole. No overnight soak required, just mix, layer, and bake.
Ingredients
- 6 large Eggs
- 1 ½ cups Half-n-Half
- ¾ cup Unsweetened Applesauce
- 4 Tbsp. Unsalted Butter, melted
- 1 tsp. Ground Cinnamon
- 1 tsp. Apple Pie Spice
- 1 tsp. Vanilla Extract
- ½ tsp. Sea Salt
- 1 loaf Gluten Free Bread, slightly stale
Topping:
- 2 large Sweet Apples, cored, peeled and chopped
- ½ cup Gluten Free Flour
- ¼ cup Brown Sugar
- ¼ cup Granulated Sugar
- ½ tsp. Ground Cinnamon
- ¼ tsp. Sea Salt
Instructions
Preheat your oven to 350 degrees. Grease a 9x13 baking dish with butter or coconut oil. Set aside.
Cut the bread into hearty chunks and loosely layer into the 9x13 baking dish. Set aside.
In a large bowl whisk together the eggs, half-n-half, apple sauce, unsalted butter, cinnamon, apple pie spice, vanilla and sea salt. Set aside.
In a large bowl mix together the apple chunks, gluten free flour, brown sugar, granulated sugar, cinnamon and sea salt.
Pour the liquid mixture over the bread chunks in your 9x13 baking dish. Top this with a layer of the apple mixture.
Bake at 350 degrees for 35-45 minutes. The apple topping will be slightly browned and the casserole will be set to the touch.
Serve warm with maple syrup.
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- Prep Time: 15 minutes
- Cook Time: 45 minutes
- Category: Breakfast
- Method: Baking
- Cuisine: American
Give this gluten free apple cinnamon french toast casserole a try for your next weekend brunch, and let me know how it turns out in the comments below.
Instructions
Preheat your oven to 350 degrees. Grease a 9x13 baking dish with butter or coconut oil. Set aside.
Cut the bread into hearty chunks and loosely layer into the 9x13 baking dish. Set aside.
In a large bowl whisk together the eggs, half-n-half, apple sauce, unsalted butter, cinnamon, apple pie spice, vanilla and sea salt. Set aside.
In a large bowl mix together the apple chunks, gluten free flour, brown sugar, granulated sugar, cinnamon and sea salt.
Pour the liquid mixture over the bread chunks in your 9x13 baking dish. Top this with a layer of the apple mixture.
Bake at 350 degrees for 35-45 minutes. The apple topping will be slightly browned and the casserole will be set to the touch.
Serve warm with maple syrup.












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