Overnight Baked Blueberry French Toast Casserole

Name: Overnight Baked Blueberry French Toast Casserole
Prep time: 20 min
Cook time: 50 min
Total time: 1 h 10 min
Cuisine: American
Ingredients: 1 pound challah bread (or brioche); 12 ounces blueberries (fresh or frozen, approximately 2 cups); 8 large eggs; 1 pint half and half; 1 teaspoon ground cinnamon; ½ teaspoon kosher salt; 1 stick unsalted butter (room temperature); 1/2 cup brown sugar; 1/2 teaspoon kosher salt; 1 cup powdered sugar; 1 large lemon (juice only)

Instructions

Prep:20minCook:50min

Overnight baked blueberry french toast casserole is made with rich buttery challah bread and sweet streusel topping. This easy breakfast casserole is perfect for the holidays and prepped in just 20 minutes!

Updated at: Wed, 17 Dec 2025 10:21:14 GMT