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.