Can I make sourdough French toast casserole overnight?

Yes, this sourdough French toast casserole overnight recipe is perfect for busy mornings. Simply assemble the casserole the night before, cover, and refrigerate. The bread will fully absorb the custard, giving you a rich, flavorful dish ready to bake in the morning.

Can I make this sourdough French toast casserole the same day?

Absolutely! For a same-day sourdough French toast casserole, let the bread soak in the custard for at least 20–30 minutes before baking. While it won’t be as deeply infused as the overnight version, it’s a quick, easy, and delicious breakfast option.

Can I make a healthy sourdough French toast casserole?

Yes, you can create a healthy sourdough French toast casserole by using whole-grain sourdough, reducing sugar, swapping heavy cream for milk, and adding fresh fruits like blueberries. This keeps the dish nutritious while maintaining its custardy, flavorful texture.

What are some popular variations of sourdough French toast casserole?

This recipe is highly customizable. You can make a chocolate sourdough French toast casserole with chocolate chips, a sourdough French toast casserole with blueberries, or add nuts, cinnamon, or fruit for added flavor and texture. It’s perfect for family breakfasts, brunches, or special occasions.

Sourdough French Toast Casserole – Easy Family Breakfast 2026

Description

A decadent, custardy breakfast casserole made with sourdough bread, perfect for family mornings or brunch. This recipe works overnight or the same day, and can be customized with blueberries, chocolate, or other fruits for extra flavor.

Ingredients

Scale

🛒 Ingredients (for 8–10 servings):

For the Casserole:

1 loaf day-old sourdough bread, cut into 1-inch cubes
8 large eggs
2 cups whole milk (or almond milk)
1 cup heavy cream
½ cup granulated sugar
2 teaspoons vanilla extract
1 teaspoon ground cinnamon
¼ teaspoon ground nutmeg
Pinch of salt

Optional Add-Ins / Toppings:

½–1 cup fresh blueberries (sourdough French toast casserole with blueberries)
½ cup chocolate chips (chocolate sourdough French toast casserole)
Maple syrup, powdered sugar, or whipped cream for serving

Instructions

📝 Instructions:

Step 1: Prep the Bread

Grease a 9×13-inch baking dish.
Place the cubed sourdough bread evenly in the dish.

Step 2: Make the Custard

In a large bowl, whisk together eggs, milk, cream, sugar, vanilla, cinnamon, nutmeg, and salt.

Step 3: Assemble the Casserole

Pour the custard evenly over the bread cubes.
Gently press down so the bread absorbs the liquid.
Sprinkle blueberries or chocolate chips on top if desired.

Step 4: Soak

Overnight Option: Cover and refrigerate for 8–12 hours.
Same-Day Option: Let soak for at least 20–30 minutes at room temperature.

Step 5: Bake

Preheat oven to 350°F (175°C).
Cover with foil and bake 30 minutes.
Remove foil and bake another 15–20 minutes until golden and set.

Step 6: Serve

Let cool slightly, then drizzle with maple syrup or dust with powdered sugar.

Notes

Starter Sourdough Tip: Using your sourdough starter or simplicity and starter sourdough French toast casserole techniques gives extra flavor.
Make Ahead: Assemble overnight for effortless morning baking.
Customization: Add nuts, sliced strawberries, or drizzle chocolate for a fun twist.

Prep Time: 15 minutes
Cook Time: 45–50 minutes
Category: Breakfast / Brunch
Method: Baked
Cuisine: American