Cuisine of Ceredigion a traditional cake made at this time, which is flavoured with caraway seeds. The Threshing Cake, or Cacen Ddyrnu, is a traditional cake made at threshing time and uses buttermilk and bacon fat, which are always available on Welsh farms. Teisen Carawe, or Seed Cake, is another cake using caraway seeds. It is one of the oldest of the Welsh egg-raised cakes and is traditionally associated with chapel and Sunday tea in the parlour. An old Ceredigion recipe is Christmas Cake, or Teisen Ddu Nadolig, which typically includes some home brewed ale. Commercial bakeries developed in urban areas during the
Types of plant oils oil (usually the seed), using one of two types of oil press. The most common is the "screw press", which consists of a large-diameter metal screw inside a metal housing. Oil seeds are fed into the housing, where the screws mash the seeds, and create pressure which forces the oil out through small holes in the side of the press. The remaining solids, called "seed cake", are either discarded or used for other purposes. Oil presses can be either manual or powered. The second type of oil press is the "ram press", where a piston is driven into a cylinder,