Slice potatoes thin, scalloped style. Par-boil potatoes and cabbage. Brown sausage. In a casserole or crock pot, layer sausage, cabbage, potatoes and cream of mushroom soup. Season each layer with salt and pepper to taste. Bake at 325 degrees for 45 minutes or bake in crock pot for at least 2 hours until sausage is done thoroughly and potatoes are tender.