1 lb. butter
3 1/2 c. flour
2 egg yolks
Pinch of salt
Vanilla
1 c. sugar

Mix all together and divide in 1/2. Add 3 tablespoons cocoa, put into 1/2 of dough and mix well. Roll out white dough and put chocolate dough on top and roll like jelly roll (tight). Divide roll into 3 smaller rolls and refrigerate. Cut into thin slices. Bake at 350 degrees for 8 minutes.