G's Flank Steak Marinade - 'This is a marinade for any type of steak, but works well for tougher cuts when left for a couple of days.' PREP TIME 15 Min COOK TIME 20 Min READY IN 6 Hrs 35 Min INGREDIENTS: 1/2 cup soy sauce 2 tablespoons brown sugar 2 tablespoons lemon juice 2 tablespoons olive oil 2 cloves garlic, minced 1 tablespoon minced onion 1 teaspoon ground ginger 1/2 teaspoon black pepper 1 (1 1/2-pound) beef flank steak DIRECTIONS: 1. In a shallow bowl, combine soy sauce, brown sugar, lemon juice, olive oil, garlic, onion, ginger and pepper. Coat steak with marinade, cover, and refrigerate for at least 6 hours. 2. Preheat an outdoor grill for high heat, and lightly oil grate. 3. Grill steak for 7 to 8 minutes per side, or to desired doneness.