Sesame Flank Steak
["1/4 c. sesame seed", "3 Tbsp. soy sauce", "1 Tbsp. vinegar", "1 Tbsp. minced fresh garlic", "1 tsp. dry mustard", "1 flank steak (about 1 1/2 lb.)", "1/4 c. thinly sliced green onions", "2 Tbsp. sesame oil", "1 Tbsp. firmly packed brown sugar", "1 Tbsp. minced fresh ginger", "1 tsp. Worcestershire"]
["In a 8 to 10-inch heavy frying pan, stir sesame seed over low heat until golden, 2 to 3 minutes.", "Crush in a mortar and pestle or food processor.", "In a bowl, mix onion, soy sauce, oil, vinegar, brown sugar, ginger, garlic, mustard, Worcestershire and sesame seed.", "Place steak in a 9 x 13-inch dish and pour sesame mixture over top.", "Cover and chill, turning occasionally, at least 4 hours or overnight.", "Cook steak over hot coals, turning once to your liking, 5 to 6 minutes a side for medium-rare.", "Cut across the grain in thin slices to serve.", "Serves 4."]
["sesame seed", "soy sauce", "vinegar", "fresh garlic", "dry mustard", "flank steak", "green onions", "sesame oil", "brown sugar", "fresh ginger", "Worcestershire"]