The aroma of warm, melted butter and sweet blueberries wafts through the kitchen, promising the start of a delicious day. This Quick Blueberry French Toast Casserole is a delightful twist on the classic breakfast dish, perfect for lazy weekends or special occasions. In just about an hour, you’ll create a warm, custardy masterpiece that’s bursting with flavor.
This recipe is ideal for families or small gatherings, making it a go-to option for brunch or holiday celebrations. You can prepare it the night before for an effortless morning, ensuring you’ll have more time to relax and enjoy with loved ones.
Why You’ll Love This Recipe
- The brioche or challah bread creates a perfectly fluffy texture.
- Fresh blueberries add a burst of tart flavor throughout the casserole.
- It can be assembled in advance, making mornings hassle-free.
- The rich custard mixture ensures every bite is moist and satisfying.
What You’ll Need
Here’s everything you need to make this delicious casserole.
For the Casserole
- 1 loaf bread, preferably brioche or challah, cubed
- 2 cups fresh blueberries
For the Custard
- 6 large eggs
- 2 cups milk
- 1/2 cup sugar
- 1 teaspoon vanilla extract
- 1 teaspoon ground cinnamon
- 1/4 teaspoon salt
For Greasing
- Butter, for greasing
Substitutions: Use almond milk for dairy-free.
Substitutions & Swaps
- Brioche can be replaced with challah.
- Use frozen blueberries if fresh aren’t available.
- Almond milk can substitute for regular milk.
- Maple syrup can replace sugar for a natural sweetener.
How to Make It
Follow these simple steps to create your casserole.
Preheat
Preheat the oven to 350°F (175°C). Grease a 9×13 inch baking dish with butter.
Layer
Cut the bread into cubes and place half of the bread in the prepared baking dish. Sprinkle half of the blueberries on top. Layer the remaining bread cubes and then the rest of the blueberries on top.
Whisk
In a bowl, whisk together the eggs, milk, sugar, vanilla extract, cinnamon, and salt. Pour the mixture evenly over the bread and blueberries.
Press
Press down gently with a spatula to ensure the bread absorbs the egg mixture.
Cover
Cover the dish with aluminum foil and refrigerate for at least 30 minutes or overnight.
Bake Covered
Bake covered for 30 minutes, then remove the foil and bake for an additional 15-20 minutes until golden brown.
Cool
Let it cool slightly before serving. Enjoy warm!
How to Store It
Fridge: Store in an airtight container for up to 3 days.
Freezer: Yes, it freezes well for up to 2 months.
Reheat: Microwave for 1-2 minutes or bake at 350°F for 10 minutes.
Tips for Best Results
- Use day-old bread for optimal absorption of the custard.
- For added crunch, sprinkle some oats or nuts on top before baking.
- Let it sit overnight in the fridge for a richer flavor.
- Always serve warm for the best texture and taste.
Serving Suggestions
- Pair with a drizzle of maple syrup or honey.
- Serve alongside crispy bacon or sausage for a hearty breakfast.
- This dish is perfect for holiday mornings or brunch gatherings.



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