Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
     1/2  cup           steak sauce
   2      tablespoons   lemon juice
   1      large         onion -- peeled, thinly
                        sliced
   2      medium        garlic cloves -- peeled, minced
   1 1/2  pounds        flank steak -- round or shoulder
                        coarse salt and black pepper to taste

Preparation:

In a shallow glass pan, combine steak sauce, lemon juice, onion and garlic. Add steak, turn to coat and marinate for 1 hour. Preheat grill or broiler. Remove steak from marinade, season with salt and pepper and place on rack. Grill over medium coals or set 6 inches under broiler, and cook until desired doneness (10 to 15 minutes for medium), basting often and turning once.