These flaky cinnamon cookies are wisps of pastry that disappear in seconds. The Sour Cream Puff Pastry Dough is ideal for everything (strudel, potato knishes, tarts or rugulah). It freezes like a dream and you can make a few batches in a food processor in minutes. It’s a crisp, tender, buttery dough that is a dream to work with. Use a sweet, hot Saigon Cinnamon such as the one from Penzeys or King Arthur Baker’s Catalogue for the best flavor.