From, "River Road Recipes II...A Second Helping," published in cooperation with your Daily InBox newsletter.
Pound steak, and cut into 6 serving size pieces. Sprinkle with salt and pepper, dip in flour. In a heavy skillet brown meat and onions in heated oil. When well browned, add wine and mushrooms. Cover and cook over low heat for 1 to 1-1/2 hours or until meat is tender.