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French toast casserole is the perfect dish to make your mornings extra special without a lot of fuss. Imagine waking up to the aroma of sweet cinnamon and the rich scent of baking brioche bread wafting through your home. This delightful recipe combines the classic flavors of French toast with the convenience of a casserole, making it a hit for family breakfasts or brunch gatherings. It’s a crowd-pleaser that requires minimal prep work, yet delivers maximum flavor.

French Toast Casserole

One of the best parts of this French toast casserole is the hidden layer of lemon curd. Each bite brings a burst of tangy sweetness that perfectly complements the richness of the brioche and the comforting warmth of cinnamon and brown sugar. The lemon curd adds a zesty surprise that elevates this dish from a simple breakfast to a gourmet experience. Plus, it’s a great way to impress your guests with a little something extra they won’t expect.

For those who love variety in their meals, this casserole is incredibly versatile. You can customize it with your favorite fruits, nuts, or even a drizzle of maple syrup on top. Whether you’re hosting a brunch or just want to treat your family to a special breakfast, this French toast casserole is a winning choice. Don’t forget to check out our other breakfast recipes, like our delicious breakfast enchiladas or the classic avocado toast, for more morning inspiration.

Add this to our other french toast casserole favorites like French Toast casserole with cream cheese as well as our overnight banana nut bagel French Toast Casserole. 

What will I need to make French Toast Casserole

You will need the following ingredients:

• Brioche bread: I used Sara Lee Artisan Brioche bread however you can use any Brioche bread you like. I do recommend a thick-cut bread or it may not hold up well to the liquid. 
• Lemon curd: I used a store-bought lemon curd but if you have a lemon curd recipe that you love you can certainly use that instead. 
• Dark brown sugar: You can use light brown sugar in a pinch, though it is a little sweeter so the flavor will change slightly. 
• Cinnamon
• Large eggs
• Half and half: You can use 1 cup whole milk and 1 cup heavy cream or replace all of the half and half with a milk of your choice, but be aware the final consistency of the casserole may be a little different. 
• Vanilla

How to Make French Toast Casserole

• Preheat the oven to 350 degrees Fahrenheit and grease a 9×13 inch baking dish with cooking spray.
• Take out the bread slices and use a butter knife to spread 1 Tablespoon of lemon curd on each of 7 of the slices.

• Top each slice with one of the slices that does not have lemon curd, making 7 “lemon curd sandwiches”. 

• Use a cutting board and sharp knife to cut the sandwiches into cubes and place them in the prepared baking dish. 

• In a medium-sized mixing bowl whisk together the eggs and then add in the half and half vanilla, cinnamon, and 3 Tablespoons of the dark brown sugar. Whisk until you have a smooth mixture. 

• Pour the egg mixture over the cubes in the baking dish making sure the bread is evenly soaked with liquid. 

• Sprinkle the remaining dark brown sugar evenly over the top of the casserole. 

• Bake for 55-65 minutes or until the casserole begins to get golden brown on top, has puffed up and the center is firm to the touch.  

• Remove from the oven and allow to cool 10-15 minutes before cutting and serving warm with fresh fruit and syrup, optional.

Reheating

You will want to reheat your casserole at 350 degrees in the oven for about 20 to 30 minutes or until warm. This helps keep the crispy top that we all love. 

You can reheat this in the microwave, but it becomes very soft. 

• Apple French Toast Casserole
• French Toast Casserole with Cream Cheese 
• Instant Pot Lemon Curd
• Air Fryer Sweet Potato Fries
• Air Fryer Cinnamon French Toast Sticks

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