Ingredients:

2 cups butter

1 cup brown sugar

yolk of 1 egg

5 cups all purpose flour

Cream butter and sugar tog. Add egg yolk and stir well. Then add flour a little at a time until a consistency of putty. Roll out to 1/2 to 3/4 inch thick and prick with fork.

Bake at 325deg. Until firm or golden brown, about 30 min.