Cream sugar and butter. Add egg yolks
Mix flour, baking soda and cream of tartar and add to mixture. Mix well and form into a log on plastic wrap. Wrap and chill
Slice paper thin and put on baking sheet. Sprinkle with sprinkles or cinnamon sugar. Bake at 375º for 6 to 8 minutes. Remove just when tops begin to turn light golden. Remove after half a minute and cool on wire racks.
Recipe submitted by florentine on 12/13/00