Ingredients
1 egg1 can (6 ounces) tomato paste1 tablespoon Worcestershire sauce1 medium onion, chopped1/2 cup grated Parmesan cheese1/2 teaspoon seasoned salt1/2 teaspoon salt1/8 teaspoon pepper2 pounds ground beef8 slices cheddar cheese8 hamburger buns, split
Preparation
In a large bowl, combine the first eight ingredients. Crumble beef over mixture and mix well. Shape into eight 3/4-in.-thick patties.
Grill, covered, over medium heat for 5 minutes on each side or until a thermometer reads 160° and meat is no longer pink. Top each burger with a cheese slice. Grill 1-2 minutes longer or until the cheese begins to melt. Serve on buns.
