Ingredients:
Dough
7 g dry active yeast
2 cups sifted flour
1/2 cup margarine
2 egg yolks
1/2 cup sour cream
confectioners' sugar
melted margarine , for greasing
Walnut Filling
1 cup finely chopped walnuts
1/2 cup granulated sugar
1 1/2 teaspoon vanilla extract
2 egg whites , stiff beaten...