* Cut in 2 to 3-inch lengths Place short ribs on a broiler pan. Broil until well-browned to remove excess fat. Transfer to crockery pot. Saute` onion in butter until limp and golden. Pour in catsup, soy sauce, vinegar and brown sugar. Heat until blended. Pour over ribs. Cover. Cook on Low 8 hours. Makes 4 servings.