Souper Burgers
["1 lb. ground beef", "1 medium onion, chopped", "1 can cream of celery soup", "2 Tbsp. ketchup or 1 Tbsp. prepared mustard", "1/8 tsp. pepper"]
["In skillet, cook beef and onion until beef is browned and onion is tender.", "Stir to separate meat; spoon off fat.", "Add soup, ketchup and pepper over low heat.", "Heat through; stir soften. Serve on buns."]
["ground beef", "onion", "cream of celery soup", "ketchup", "pepper"]