Ingredients:

5 medium potatoes
boiling water
1/2 teaspoon salt
2 tablespoons butter
pepper to taste
1/2 cup sour cream
1 tablespoons horseradish
2 teaspoon parsley, minced

Directions:

Peel and quarter potatoes. Cook in boiling salted water in medium-size saucepan until tender, drain. Mash, adding 1 tablespoon butter and the pepper. Add sour cream, horseradish, and minced parsley. Whip as for mashed potatoes. Place in serving bowl; top with 1 tablespoon melted butter and serve.