out dough with rolling pin, between 2 lightly floured sheets of wax paper, to a thickness of 3/4 inch. 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. 12 durable relatively crumbproof teething biscuits. ----