Ingredients:

1 Lb. of butter
6 egg yolks or 4 egg yolks and one egg
1 1/2 cups sugar
5 cups flour
drop of vanilla or almond extract

blend ingredients and place in refrigerator overnight - at least - the longer the better.
bake at 350 degrees until they seem done.
decorate with sprinkles, cherries, nuts or color them with food dye.
they are fun!