Beat to a cream one cup of butter, two and one-half cups of sugar and the yolks of two eggs. Add a cup of sour cream, into which has been dissolved a small teaspoonful of soda; beat the whites of four eggs to a stiff froth; add to the butter and sugar; flavor to taste; use as little flour as possible to make of consistency to roll thin; sprinkle with sugar; flour the cutter to keep dough from sticking; bake in a quick oven.
