Recipe Source: hersheys.com
1-1/2 pounds lean ground beef
1 to 1-1/4 cups chopped onion
1 cup ketchup
2 tablespoons HERSHEY’S Cocoa
1-1/2 tablespoons yellow mustard
2-1/2 teaspoons chili powder
1-1/2 teaspoons ground black pepper
1-1/4 teaspoons salt
Cook ground beef and onion in large skillet on medium heat until beef is browned and onion is tender. Drain excess fat.
Stir in ketchup, cocoa, mustard, chili powder, pepper and salt. Heat 10 to 15 minutes on low heat or until hot. Serve in buns. Cover; refrigerate leftovers. About 4-1/2 cups sandwich filling.