Flank Steak Teriyaki

3/4 cup vegetable oil

1/4 cup soy sauce

1/4 cup honey

2 Tablespoons vinegar

2 Tablespoons finely chopped onion

1 large clove minced garlic

11/2 teaspoon ground ginger

1 flank steak

Combine all ingredients and pour over steak.  Marinate 4 hours or more (overnight is better).  Turn meat occasionally.  Barbecue over coals about 4 minutes each side for medium rare.