Tahini United States, sesame tahini, along with other raw nut butters, was available by 1940 in health food stores. Tahini is made from sesame seeds that are soaked in water and then crushed to separate the bran from the kernels. The crushed seeds are soaked in salt water, causing the bran to sink. The floating kernels are skimmed off the surface, toasted, and ground to produce an oily paste. Because of tahini's high oil content, many manufacturers recommend refrigeration to prevent spoilage. This is particularly true among makers of raw, organic tahini, who will often prepare their tahini at low temperatures
Tomato paste Tomato paste Tomato paste is a thick paste made by cooking tomatoes for several hours to reduce the water content, straining out the seeds and skins, and cooking the liquid again to reduce the base to a thick, rich concentrate. By contrast, tomato purée is a liquid with a consistency between crushed tomatoes and tomato paste that is made from tomatoes that have been briefly boiled and strained. Based on the manufacturing conditions, the paste can be the basis for making ketchup or reconstituted tomato juice: Tomato paste is traditionally made in parts of Sicily, southern Italy and Malta by