- Heat oven to 400°F. Combine Kentucky Cattlemen's Ground Beef, bread crumbs, egg whites, water, salt and pepper in large bowl, mixing lightly but thoroughly. Shape into thirty-six 1-1/4-inch meatballs. Place on rack in broiler pan that has been sprayed with cooking spray. Bake in 400°F oven 15 to 17 minutes.
- Meanwhile, heat marinara in medium saucepan over medium heat until warm.
- Spoon marinara sauce onto baguette. Top with meatballs and sprinkle with mozzarella cheese, as desired.