Russian Pastry - cooking recipe

Ingredients

4 c. unsifted flour
1 lb. butter or margarine
1 tsp. salt
2 egg yolks
1 1/2 c. sour cream

Preparation

Work butter into flour and salt.
Add egg yolks and sour cream and mix until well blended.
Divide dough into 6 sections, shape each into a ball and lightly coat with flour.
Refrigerate dough for several hours or overnight until well chilled.