Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3      pounds        round or sirloin steaks
                        (1" thick)
     1/2  cup           soy sauce
   3      tablespoons   brown sugar -- packed
   1      teaspoon      ginger
     1/2  teaspoon      dry mustard
     1/4  teaspoon      garlic powder
     1/2  teaspoon      black pepper -- coarse ground
   2      tablespoons   lemon juice
   1      each          12 oz can flat beer
   2      tablespoons   salad oil

Preparation:

Combine marinade ingredients and pour over steak. Cover and refrigerate 12-24 hours. Grill 3-4 inches from hot coals, basting frequently with marinade, for about 20 minutes (10 minutes each side) or to desired doneness. Slice steak thinly on the diagonal before serving. Source: Kansas City Barbeque Society, The Passion of Barbeque