Animal suet is a type of fat derived from the tissues of animals, usually from around their internal organs. It is solid at room temperature and is used in cooking and baking. The term 'animal suet' can also refer to TALLOW, which is a rendered form of beef or mutton fat. TALLOW is made by boiling the fat until it liquefies, then cooling it until it solidifies. It is used in a variety of products, including candles, soaps, and lubricants.