Ingredients

1/4 cup butter

1 3/4 lbs russet potatoes, peeled, coarsely chopped.

1/2 cup chopped shallots

5 cups (about) checken broth

1/2 t. caraway

2 t. fresh marjoram, 1 t dried

4 T whipping cream (optional)

2 t. white wine vinegar

5 1/2 oz. fresh mushrooms, sliced

Preparation

Melt butter in heavy saucepan. Add potatoes and chopped shallots. Saute until shallots are tender. about 3 min. Add 4 cups broth, caraway seeds, and marjoram. Bring to boil. Reduce heat and simmer until potatoes are very tender. About 20 minutes. Stir in 2 T. whipping cream. (Optional)

Puree Soup.

Stir in white wine vinegar. (optional)

Heat remaining 2 T cream and saute mushrooms until tender. About 5 min.

Ladle soup in bowls and top with mushrooms.