Kraut And Frank Potato Soup
["1 Tbsp. butter or margarine", "1/4 c. chopped onion", "2 c. diced, pared potatoes (2 medium)", "3/4 c. water", "dash of pepper", "2 c. milk", "2 c. sauerkraut, washed and drained", "4 frankfurters", "chopped parsley (for garnish; optional)"]
["In", "2-quart", "saucepan,", "melt butter over low heat.", "Add onion and cook, covered, about 5 minutes or until tender.", "Add potatoes, water", "and pepper.", "Cover and cook over medium heat until potatoes", "are", "tender,", "10 to 12 minutes.", "Add milk and cook until milk bubbles around edge of pan."]
["butter", "onion", "potatoes", "water", "pepper", "milk", "sauerkraut", "frankfurters", "parsley"]