Delight your mornings with this Blueberry Bliss French Toast Casserole! This easy recipe features layers of buttery challah bread and plump blueberries, soaked in a creamy vanilla custard, perfect for brunch with family or friends. With simple ingredients and straightforward steps, you can prepare this mouthwatering dish ahead of time.
1 loaf of challah bread, cut into 1-inch cubes
2 cups fresh blueberries (or frozen, thawed)
6 large eggs
2 cups whole milk
1/2 cup maple syrup
1 teaspoon vanilla extract
1 teaspoon ground cinnamon
1/4 teaspoon nutmeg
1/4 teaspoon salt
2 tablespoons unsalted butter, softened (for greasing)
Powdered sugar (for serving)
Fresh mint leaves for garnish (optional)