Unbelievable Blueberry French Toast Casserole is a simple, cozy dish that brings joy to any breakfast table. This casserole is packed with sweet, juicy blueberries and a creamy custard that bakes up perfectly fluffy. It’s perfect for family gatherings, lazy weekends, or even special occasions. The best part? It can be made ahead of time!

Why You Will Love This Unbelievable Blueberry French Toast Casserole
This recipe is truly a keeper. It’s easy to prepare and uses everyday ingredients you probably already have at home. The combination of rich bread and fresh blueberries creates a delicious balance of flavors. It’s a crowd-pleaser that everyone will love. Plus, it’s a great way to enjoy a comforting breakfast without spending lots of time in the kitchen.
How to Make Unbelievable Blueberry French Toast Casserole
Making this casserole is simple and straightforward. You’ll start by preparing the custard mixture and letting it soak into the bread for the best texture. Then just pop it in the oven and let it bake until golden and fluffy. In no time, you’ll have a warm and inviting dish ready to serve.
What You Need
Ingredients for Unbelievable Blueberry French Toast Casserole
- 1 loaf challah or brioche bread, cubed (Day-old or stale bread works best for texture.)
- 2 cups fresh blueberries (or frozen, thawed) (Feel free to substitute with other fruits like strawberries or raspberries.)
- 6 large eggs
- 2 cups milk
- 1/2 cup heavy cream
- 1/2 cup maple syrup
- 2 teaspoons vanilla extract
- 1 teaspoon ground cinnamon
- 1 pinch salt
- to taste powdered sugar for dusting (Optional)
- to taste whipped cream for serving (Optional)

Step-by-Step
Directions
Preparation: Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish.
Custard Mixture: In a large mixing bowl, whisk together the eggs, milk, heavy cream, maple syrup, vanilla extract, ground cinnamon, and salt until well combined.
Combine and Soak: Add the cubed bread and blueberries to the custard mixture. Gently stir to coat the bread evenly. Allow it to soak for at least 30 minutes, or overnight in the fridge for best results.
Baking: Pour the mixture into the greased baking dish. Bake for 45 to 50 minutes until the top is golden and the center is set.
Serving: Let the casserole cool slightly before serving. Dust with powdered sugar and top with whipped cream, if desired.
How to Serve Unbelievable Blueberry French Toast Casserole
This casserole is delightful on its own, but you can also pair it with crispy bacon or sausage for a more filling meal. For toppings, consider fresh fruits, maple syrup, or a sprinkle of powdered sugar. It works beautifully for breakfast, brunch, or even dessert!
How to Store Unbelievable Blueberry French Toast Casserole
To keep leftovers fresh, cover the casserole tightly with plastic wrap or foil. Store it in the refrigerator for up to 3 days. You can also freeze it for up to 2 months. To reheat, simply warm it in the oven at 350°F until heated through, about 20 minutes.
Recipe Tips
- Use stale bread for a better texture.
- Allow the bread to soak well for optimal flavor.
- You can substitute blueberries with strawberries or raspberries.
- Adjust the sweetness by adding more or less maple syrup.
- Keep an eye on the baking time to avoid overcooking.
Variations & Swaps
- For a richer flavor, consider adding a splash of orange juice to the custard mixture.
- To make it dairy-free, swap out the milk and heavy cream for non-dairy alternatives like almond milk and coconut cream.
- For a nutty twist, add chopped pecans or walnuts to the mixture before baking.
FAQs
Can I make this casserole ahead of time?
Yes! You can prepare the casserole the night before. Just cover it and refrigerate after soaking. Bake it in the morning for a quick breakfast treat.
Can I freeze leftovers?
Absolutely! Once cooled, cut the casserole into portions and wrap them tightly before freezing. This way, you can enjoy it anytime!
How do I reheat the casserole?
To reheat, place your desired portion in the oven at 350°F until warm, about 20 minutes, or you can microwave it for a quicker option.
What can I use instead of blueberries?
You can easily swap blueberries for other fruits, like strawberries, bananas, or even apples. Just make sure to adjust the sweetness based on the fruit you choose.
What are common mistakes to avoid?
Make sure the bread is well-soaked in the custard mixture. If you skip this step, the casserole may turn out too dry. Always check for doneness before taking it out of the oven!

Unbelievable Blueberry French Toast Casserole
Ingredients
Bread and Fruit
- 1 loaf challah or brioche bread, cubed (Day-old or stale bread works best for texture.)
- 2 cups fresh blueberries (or frozen, thawed) (Feel free to substitute with other fruits like strawberries or raspberries.)
Custard Mixture
- 6 large eggs
- 2 cups milk
- 1/2 cup heavy cream
- 1/2 cup maple syrup
- 2 teaspoons vanilla extract
- 1 teaspoon ground cinnamon
- 1 pinch salt
Optional Toppings
- to taste powdered sugar for dusting (Optional)
- to taste whipped cream for serving (Optional)
Instructions
Preparation
- Preheat your oven to 350°F (175°C). Grease a 9×13 inch baking dish.
Custard Mixture
- In a large mixing bowl, whisk together the eggs, milk, heavy cream, maple syrup, vanilla extract, ground cinnamon, and salt until well combined.
Combine and Soak
- Add the cubed bread and blueberries to the custard mixture. Gently stir to coat the bread evenly. Allow it to soak for at least 30 minutes, or overnight in the fridge for best results.
Baking
- Pour the mixture into the greased baking dish. Bake for 45 to 50 minutes until the top is golden and the center is set.
Serving
- Let the casserole cool slightly before serving. Dust with powdered sugar and top with whipped cream, if desired.
