Potato Soup

2 tablespoons butter
2 teaspoons chopped onions
2 teaspoons chopped celery
3 potatoes, chopped small
1 qt. boiling water
1/2 teaspoon salt
1/8 teaspoon pepper
1 teaspoon caraway seed
2 teaspoons chopped parsley
1 tablespoon flour

Heat 1 tablespoon butter, add the onions and celery, and simmer 10 minutes. Add potatoes, cover, and cook 2 minutes. Add the water and seasonings, boil for 1 hour. Add more boiling water as it evaporates. Brown the flour and mix with the remaining butter, add some potato liquid and cook. Combine and serve hot with croutons. Any cold cooked leftover vegetable may be added.