out dough with rolling pin, between 2 lightly floured sheets of wax paper, to a thickness of 2 cm. Cut out doughnut shaped cookies. Place cookies on a lightly buttered cookie sheet. Let stand overnight (10-12 Hours). Bake in preheated oven at 325 degrees until lightly browned and hard. Makes app. dozen durable relatively crumbproof teething biscuits. ----