Quick Beef Stroganoff
["1 lb. ground beef", "1/2 pt. sour cream", "2 medium onions", "1 can mushroom soup", "1 Tbsp. mustard"]
["Brown ground beef and drain.", "Saute onions and add to beef. Add mushroom soup and mustard. Mix well.", "Allow to simmer for 20 minutes. Just before serving, fold in sour cream.", "Serve on toast, pasta or rice."]
["ground beef", "sour cream", "onions", "mushroom soup", "mustard"]