Nut Mixture:

1 lb. ground walnuts
5 egg whites, beaten
1 c. sugar

To make nut mixture, beat egg whited until stiff but not dry, add to nuts mixed with sugar. Spread on dough and roll up like a jelly roll. Place 2 nut rolls on a greased cookie sheet.

Bake for 20 minutes in a preheated 375°F oven.

Dough:

1 pkg. dry yeast
1/2 lb. butter
5 egg yolks
1/2 pt. sour cream
Powdered sugar

Mix dry ingredients together. Cut in butter with pastry blender like pie crust. Make a well, add eggs and sour cream. Mix well, first with a fork then with your hands. Dough will be sticky at first. Divide in 4 pieces, wrap in wax paper and refrigerate overnight. The next day, roll out one piece at a time on a board sprinkled with powdered sugar. Roll as thin as possible.