Roux Roux Roux () is flour and fat cooked together and used to thicken sauces. Roux is typically made from equal parts of flour and fat by weight. The flour is added to the melted fat or oil on the stove top, blended until smooth, and cooked to the desired level of brownness. Butter, vegetable oils, bacon drippings or lard are commonly used fats. Roux is used as a thickening agent for gravy, sauces, soups and stews. It provides the base for a dish, and other ingredients are added after the roux is complete. The fat is most often butter in
Fat-tailed sheep the fat (called "Elyah", Arabic: ألية ) was used extensively in medieval Arab and Persian cookery. The tail fat is still used in modern cookery, though there has been a reported decline, with other types of fat and oils having increased in popularity. Fat-tailed sheep are hardy and adaptable, able to withstand the tough challenges of desert life. When feed is plentiful and parasites not a major factor, fat-tailed sheep can be large in size and growth. The carcass quality of these sheep is quite good, with most of the fat concentrated in the tail area - it could account