French Toast Casserole (Easy Make-Ahead Brunch) - Quickie Recipe

Ingredients

• 1 tablespoon unsalted butter, softened, for the baking dish
• 1 loaf (18 oz / 510 g) brioche or challah, cut into 1-inch cubes
• 8 large eggs
• 2 cups (480 ml) whole milk
• 1 cup (240 ml) heavy cream
• 1/2 cup (100 g) packed light brown sugar
• 2 tablespoons maple syrup
• 1 tablespoon vanilla extract
• 2 teaspoons ground cinnamon
• 1/4 teaspoon ground nutmeg
• 1/2 teaspoon fine salt
• 1/2 cup (65 g) all-purpose flour
• 1/3 cup (65 g) packed light brown sugar
• 1 teaspoon ground cinnamon
• 1/4 teaspoon fine salt
• 4 tablespoons (57 g) cold unsalted butter, cubed
• Maple syrup, for serving
• Fresh berries, for serving
• Powdered sugar, for serving