2 c. flour
1/2 lb. butter
3/4 c. sour cream
1 egg yolk

FILLING:

1 c. sugar
1 c. chopped walnuts
1 tsp. cinnamon

Cut butter into flour. Add sour cream and egg yolk. Mix well. Dough will be sticky. Shape into ball with well floured hands. Wrap in wax paper which is also floured. Chill dough overnight.

Combine filling ingredients. Spread board with flour. Divide dough into thirds. Roll each third into 1/8 inch thick rounds. Sprinkle 1/3 of filing over dough. Cut into 16 wedges and roll up each from wide side to top. Bake at 350 degrees for 20-25 minutes. Cool on racks. Yields 48 cookies.