1/4 cup wine vinegar
2 Tablespoons soy sauce
2 Tablespoons olive oil
2 Tablespoons catsup or tomato sauce
1/2 teaspoon onion salt
1/8 teaspoon pepper
2 pounds round steak, cut into sections
Recipe
Mix all but steak together. Place round steak and marinade in a plastic bag or glass container and let sit in refrigerator for about 3 hours. Turn container several times. Broil 5 to 8 minutes on each side to desired doneness.