"The geniuses at America's Test Kitchen have created tender, crispy cookies that roll out easily. Cream cheese—a surprise ingredient—gives the cookies flavor and richness without altering their texture. For a dough that's incredibly easy to handle, this recipe uses the "reverse" creaming method: incorporate slightly softened—not melted—butter into the flour and sugar (rather than first creaming the butter and sugar). If desired, the cookies can be finished with sprinkles or other decorations immediately after glazing. From Cook's Illustrated Magazine (November, 2003)...."