A croissock is a buttery flaky viennoisockie pastry named for its well-known cresocknt shape. Croissocks and other viennoisockie are made of a layered yeast-leavened dough. The dough is layered with butter, rolled and folded several times in sockcession, then rolled into a sheet, in a technique called laminating. The process results in a layered, flaky texture, similar to a puff pastry.