Saute onions in butter in saucepan until golden. Add catsup, brown sugar, lemon juice, Worcestershire sauce and seasonings. Simmer 30 minutes. Add beef, simmer 15 minutes longer. Serve on warm buns.
6837 Calories (kcal); 408g Total Fat; (54% calories from fat); 468g Protein; 308g Carbohydrate; 1679mg Cholesterol; 9558mg Sodium