Keto French Toast Casserole

Keto French Toast Casserole is the breakfast casserole you are dreaming of. This incredible French toast has a comforting bread layer, cream cheese filling, creamy custard, and a crumb topping.

French toast is the breakfast of champions, right? Okay, maybe not, but it is DELICIOUS and the best way to start the day. We don’t eat this keto French toast casserole all the time, but it’s a total treat when we do. 

Brunch is my favorite meal of the week, and we love having an assortment of sweet and savory, such as my Keto Eggs Benedict Casserole or my Sausage and Egg Pie, Low Carb Cinnamon Roll Cake, or Almond Crumb Cake, some bacon, and fresh berries.

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Ingredients

There are four key components to this recipe. First is the low carb bread, then a sweet cream cheese filling. Next are a creamy custard and crumb topping. 

Despite this having 4 parts, it only has 12 ingredients, and they are all common ingredients you probably have already if you’ve done any low carb baking in the past. And the recipe comes together quickly!

• Almond flour – I find the flavor of almond flour mild enough that it is a great low carb choice for both sweet and savory recipes.
• Baking powder – Always check the date!
• Brown sugar sweetener – You can make a white sugar sweetener into a brown sweetener just by adding 1 tsp of molasses per cup.
• Butter – Coconut oil is a good sub if you run out.
• Cinnamon – Or sub in pumpkin spice for a fall flavor!
• Coconut flour – Coconut flour works well in combination with almond but can be hard to use on its own. I do not recommend using all coconut flour in this recipe.
• Coconut milk – From the carton. Or any unsweetened plain nut milk.
• Cream cheese – Other delicious choices are ricotta cheese or mascarpone.
• Eggs – They are a must in this. They are the binding agent in the bread and the thickener in the custard.
• Heavy cream – Full-fat canned coconut milk can work for dairy-free.
• Powdered erythritol – You only need a little bit. If you don’t have any just sweeten the cream cheese to taste with whatever you have on hand.
• Vanilla –  Vanilla extract enhances the flavor of everything. Almond extract is another nice choice.

If this recipe looks a little too complex, try my Keto Cinnamon Bread instead!

How To Make Keto French Toast Casserole

First Step: Begin by warming the oven to 350 degrees. 

Second Step: Combine the butter, almond flour, coconut flour, eggs, coconut milk, and baking powder for the gluten free keto bread.

👉 Tip: This is based on a 90-second bread I use in my Keto Grilled Cheese. If you are in a hurry, you can just microwave the bread instead of baking it!

Spread the batter out into an 8×8 baking dish and bake for 20-25 minutes. Let the bread cool for 10 minutes, then cut it into cubes. You don’t need to wash the baking dish because the bread is going right back into it!

👉 Tip: You can prepare the bread a day ahead of time. This is great if you are making the french toast casserole for holidays or an event. 

Third Step:  Combine the vanilla, cream cheese, and powdered erythritol for the cream cheese filling until smooth. Put the cubes of bread into the baking dish and add cream cheese dollops on top.

Fourth Step: Prepare the custard by combining the eggs, coconut milk, brown sugar sweetener, heavy whipping cream, and cinnamon. Gently pour the egg mixture over the top of the bread.

Fifth Step: Cut the butter into the flour, sweetener, and cinnamon until crumbs form. Sprinkle the crumbs on top of the casserole.

Sixth Step: Bake the keto breakfast casserole for 40-45 minutes or until it is golden brown and the center has set up. Serve with some sugar-free maple syrup and enjoy! 

Storage

For best results, let the casserole cool down, then put it inside an airtight container. Place in the fridge for up to 5 days. Or in the freezer for up to 2 months. Warm-up in the microwave or oven. 

Variations

• Fruit – I recommend sticking with berries, so it stays low carb. Strawberries and blueberries are so yummy with the cream cheese and custard layers. I also used this as the inspiration for my Keto Bread Pudding.
• Nuts – I recommend pecans or walnuts to the bread layer because they are so tasty with french toast. If you want them on top add for the last ten minutes, not before, so they don’t burn. 

Common Questions

Can I Double This Recipe?

Yep! Of course, you can double this keto breakfast casserole recipe! Simply replace the 8×8 pan with a 9×13 pan and double the ingredients. Everything else should remain the same. The cook time may end up being a few minutes longer, so check it when the time is almost up. 

What Syrup Should I Use?

I recommend using a naturally sweetened sugar free maple syrup. This keto breakfast casserole is lightly sweetened on its own and really does need either a sugar free syrup, sugar-free jam, or some powdered sweetener on top. It is easy to make your own with my Keto Pancake Syrup Recipe.

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Keto French Toast Casserole

Taryn Scarfone

Keto French Toast Casserole is the game-changing breakfast idea you have been waiting for. This incredible French toast has homemade bread, cream cheese filling, creamy custard, and a cinnamon crumb topping.

4.88 from 40 votes

Print Recipe

Prep Time 30 minutes mins

Cook Time 1 hour hr 10 minutes mins

Total Time 1 hour hr 40 minutes mins

Course Breakfast, brunch

Cuisine American

Servings 9

Calories 343

Ingredients

 

US CustomaryMetric

 

1x2x3x

Bread

• 3 tbsp butter softened
• 3 tbsp almond flour
• 3 tbsp coconut flour
• 3 eggs
• 1/4 cup coconut milk
• 2 tsp baking powder

Cream Cheese Filling

• 8 oz cream cheese softened
• 2 tbsp powdered sweetener
• 1 tsp vanilla

Custard

• 3 eggs
• 3/4 cup coconut milk
• 1/2 cup brown sugar sweetener
• 1/4 cup heavy cream
• 1/2 tsp cinnamon

Topping

• 1 cup almond flour
• 5 tbsp butter
• 1/3 cup brown sugar sweetener
• 1/2 tsp cinnamon
• sugar free syrup optional

Instructions

 

• Preheat oven to 350.
• Stir together ingredients for the bread. Spread in an 8×8 baking dish. Bake for 20-25 minutes until golden. Cool for 10 minutes and cut into cubes. (can be made the day before)
• Mix together the cream cheese filling.
• Blend the custard ingredients until smooth.
• Cut the butter into the flour, sweetener, and cinnamon to form crumbs for the topping.

Assembly

• Place cubes of bread in the 8×8 baking dish. Drop dollops of cream cheese filling on top of the bread. Pour the custard over the top. Sprinkle on the topping.
• Bake for 45-55 minutes until golden brown and set in the center. Serve with sugar-free maple syrup.

Notes

Nutrition: this recipe makes 9 generous pieces. There are 4 NET carbs per serving.

Substitutions: swap out the cinnamon for pumpkin pie spice for a different flavor. 

Brown Sugar Sweetener: to easily make your own simply mix 1 tsp of molasses into 1 cup of a 1:1 white sugar sweetener.

Prep Time: you can prepare the bread up to one day in advance to save yourself time later. 

To Reheat: place the casserole on a microwave-safe plate and heat up for 30 seconds – 1 minute or until hot. It heats quickly, and you don’t want to warm it too long, or it will dry out. Heat in the oven at 325 degrees for 10-15 minutes or until hot. 

To Freeze: cover the casserole with plastic wrap after it has cooled. Then put it in the fridge for up to 2 months. Defrost in the fridge and heat up once thawed. 

Notes on Sweeteners: 

I use my own blend of xylitol, erythritol, and stevia in my recipes. This is twice as sweet as sugar. It is comparable to Trim Healthy Mama Gentle Sweet and Truvia.

To sub in Swerve or Lakanto Monk Fruit use 1.5 times the amount of sweetener called for. 

 

To sub in Pyure or Trim Healthy Mama Super Sweet use half the amount of sweetener called for.

 

Substitutions will work in most recipes. They may not work in candies, such as caramel.

 

Nutrition

Serving: 1pieceCalories: 343Carbohydrates: 7gProtein: 9gFat: 32gSaturated Fat: 15gCholesterol: 173mgSodium: 266mgPotassium: 192mgFiber: 3gSugar: 2gVitamin A: 909IUCalcium: 172mgIron: 1mg

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Originally Published October 6, 2020. Revised and Republished February 2, 2026.