Knead everything thoroughly, cover with foil and cool in the fridge for 2 hours.
Roll out the dough about half an inch thick. Put it in a round baking pan or on a baking sheet. Prick it with a fork and mark fingers or pieces.
Bake at 375°F 20 to 25 minutes. Cut while still hot and sprinkle with sugar.
Finger are about 0.5 x 7 inches