Ginger Marinated London Broil

2- 1/2" piece of fresh ginger, slided

6 cloves garlic

1/2 cup dry sherry

1/4 cup soy sauce

2 tablespoons rice wine vinegar

2 tablespoons vegetable oil

1 lb London Broil

Marinate beef in sauce 6 hours overnight.  Cook 18 minutes for medium rare - turning midway through cooking time.