Combine ground beef, bread crumbs, onion, milk, egg, parsley, salt, Worcestershire and pepper. Shape into 1-inch balls. Cook in hot shortening over medium heat for 10 to 15 minutes. Drain on paper towels.
Heat chili sauce and grape jelly together. Add meatballs. Simmer for 30 minutes, stirring occasionally.
Serve in a chafing dish.dipping.
Servings: 5 Dozen