Overnight French Toast Casserole

Ingredients (8)

• + 2 sticks butter, melted add to pantry
• + 2 cups light brown sugar add to pantry
• + 2 teaspoons cinnamon add to pantry
• + 1 loaf French bread, cut into 2-inch slices add to pantry
• + 2 cups milk add to pantry
• + 8 eggs, beaten add to pantry
• + 1 teaspoon vanilla extract add to pantry
• ✓ aluminum foil