1/3 c. soy sauce
1/3 c. salad oil
1/3 c. red wine vinegar
2 tbsp. chopped chutney (very optional)
1/8 tsp. garlic powder
1 tbsp. instant minced onion

Pierce meat and marinate for 4 hours or overnight. Broil or barbecue meat to taste. Portion of marinade is good for 1 large flank steak or london broil.