Easy Beef Stroganoff
["1/2 c. onion, chopped", "1/4 c. butter", "1 lb. ground beef", "2 Tbsp. flour", "1 tsp. salt", "1 tsp. pepper", "1 can mushrooms, sliced", "1 can cream of mushroom soup", "1 c. sour cream"]
["Cook the onion in butter in a saucepan over medium heat until transparent. Add the beef and cook, stirring until beef is light brown. Add the flour, salt, pepper, mushrooms and soup and cook for 5 minutes. Add the sour cream and simmer 15 more minutes. Serve over rice or noodles. Serves 6."]
["onion", "butter", "ground beef", "flour", "salt", "pepper", "mushrooms", "cream of mushroom soup", "sour cream"]