Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   1                    flank steak -- about 2-pounds
   3      tablespoons   ketchup
   1      tablespoon    vegetable oil
   1      tablespoon    chopped onion
   1      teaspoon      brown sugar
   1      teaspoon      worcestershire sauce
   1                    garlic clove -- minced
     1/8  teaspoon      pepper

Preparation:

Place flank steak in an l1-in. x 7-in. x 2-in. glass dish. Combine remaining ingredients; pour over meat. Cover and refrigerate for at least 4 hours. Remove meat, discarding marinade. Grill over hot coals until meat reaches desired doneness, about 4 minutes per side for medium, 5 minutes per side for medium-well. Slice into thin strips across the grain to serve.