Beef Stroganoff
["1 1/2 lb. round steak", "2 Tbsp. flour (heaping)", "4 Tbsp. margarine", "1 can consomme soup", "1 tsp. dry mustard", "1 (8 oz.) sour cream", "2 Tbsp. catsup", "1 onion, chopped", "1 large can mushrooms"]
["Cut steak into bite size pieces; place in bowl.", "Salt and pepper to taste.", "Place in refrigerator for 2 hours.", "Brown flour with butter; gradually add beef consomme soup.", "Add mustard, sour cream and catsup.", "Bring to a boil.", "Set sauce to one side."]
["flour", "margarine", "consomme soup", "dry mustard", "sour cream", "catsup", "onion", "mushrooms"]