Baked Blueberry French Toast Casserole Recipe

Ingredients

• 1 pound loaf rustic bread, cut into 1-inch cubes (about 10 cups of cubes)
• 1 1/2 (or 2) cups blueberries, frozen or fresh
• 5 large eggs
• 2 cups milk (whole or 2%)
• 1 cup heavy cream
• 1/2 teaspoon vanilla extract
• 8 tablespoons sugar, divided
• 1 tablespoon lemon zest
• 1/8 teaspoon kosher salt
• 2 tablespoons unsalted butter, diced