Gravy's a sauce made often from the juices that run naturally from meat or vegetables during cooking. Ready-made cubes and powders can be used as a substitute for natural meat or vegetable extracts. Canned gravies are also available. Gravy's commonly served with roasts, meatloaf, rice, and mashed potatoes. Thickened gravy Gravies are often thickened with a starch, starting with a roux made of wheat flour, cornstarch/cornflour, or arrowroot. The liquids from cooked meat, the liquids from dissolv… (More on Gravy)