Beef Stroganoff
["1 1/2 lb. tenderloin tips, cut in 2-inch strips", "1/4 c. butter", "1/4 lb. fresh mushrooms or small can", "3 Tbsp. flour", "2 (10 oz.) cans beef broth", "1/2 c. white wine", "2 Tbsp. vinegar", "1/2 c. sour cream"]
["Saute tips in butter; add flour and brown.", "Add hot beef stock and bring to a boil.", "Remove from heat.", "Reduce wine and vinegar to 1/2 and add to above."]
["tenderloin", "butter", "fresh mushrooms", "flour", "beef broth", "white wine", "vinegar", "sour cream"]