Sift the dry ingredients. Cut butter into flour with knife until crumbly. Mix beaten egg with cream and add to flour. Mix lightly with hand and spread on buttered cookie sheet. Bake for 20 minutes in 350° oven. Remove from oven and quickly cover with one of a variety of toppings. Bake 20 minutes longer. When cool decorate with lucre, maraschino cherries, angelica, chopped candied orange peel, cocoanut, etc. Cut into small 1x2 inch pieces. This is a rich and delicious pastry.