Hamburger Stroganoff
["1/2 c. chopped onions", "1/4 c. margarine", "1 lb. ground beef", "2 tsp. flour", "1 tsp. salt", "1 tsp. pepper", "1 c. sliced mushrooms", "1 can cream of mushroom soup", "1 c. sour cream"]
["Cook onion in margarine over low heat.", "Add beef and cook, stirring until beef is brown.", "Add flour, salt, pepper, mushrooms and soup.", "Cook 5 to 8 minutes, add sour cream and simmer for 15 minutes.", "Serve over rice or noodles."]
["onions", "margarine", "ground beef", "flour", "salt", "pepper", "mushrooms", "cream of mushroom soup", "sour cream"]