Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    beef top sirloin steak cut 1 to 1 1/4"
                        (you may use other thick tender top loin,
                        steaks such as T-bone, Porterhouse)
     1/2  cup           soy sauce
     1/4  cup           brown sugar
   1      teaspoon      ginger, ground
   1      clove         garlic, minced

Preparation:

Combine soy sauce, brown sugar, ginger and garlic. Place steak on grill over ash-covered coals. When first side is browned, brush with teriyaki sauce, turn and finish cooking the second side, brushing with sauce occasionally. Carve steak across grain into thin slices Source: National Live Stock and Meat Board.