Quick Beef Stroganoff
["1 lb. top round steak", "2 Tbsp. vegetable oil", "1 onion, sliced", "1 (8 oz.) carton sour cream", "1 (10 3/4 oz.) can cream of mushroom soup", "2 Tbsp. catsup", "2 tsp. Worcestershire sauce", "hot, cooked noodles", "poppy seed"]
["Trim excess fat from steak; slice across grain into 2 x 1/4-inch strips.", "Brown steak in oil.", "Add onion and cook 5 minutes, stirring constantly.", "Combine sour cream, soup, catsup and Worcestershire sauce and add to steak.", "Cook over low heat, stirring constantly until mixture is thoroughly heated.", "Serve over noodles sprinkled with poppy seed.", "Yields 4 servings."]
["steak", "vegetable oil", "onion", "sour cream", "cream of mushroom soup", "catsup", "Worcestershire sauce", "noodles"]