Sirloin Shish Kebab 2 cups port or Burgundy 4 teaspoons Worcestershire sauce 4 cloves garlic 2 cups vegetable oil 8 tablespoons catsup 4 tablespoons vinegar 2 teaspoons marjoram 4 teaspoons granulated sugar 2 teaspoons salt 2 teaspoons Accent® 2 teaspoons rosemary 1 (3-pound) sirloin tip, cut in 2-inch squares 12 fresh mushrooms 3 tomatoes, quartered 3 onions, quartered 3 green bell peppers, quartered Mix all ingredients except tomatoes, onions and green peppers. Marinate for at least 4 hours (overnight is better) in a nonreactive dish. Alternate steak and vegetables on 6 skewers. Broil over charcoal fire, turning frequently, and basting with marinade. You can add potatoes and pineapple, if desired.