This dish is based on the Iranian Khoresh, a meat or poultry stew combined with various vegetables, fruits, herbs and spices. A Khoresh will always be served with rice. A squab is a 25 to 30 day old pigeon, also known as fledglings or squeakers. Rhubarb has a long and interesting history as a medicinal and ornamental plant. Although botanically a vegetable, it is more commonly used as a fruit. Its leaves contain a large amount of oxalic acid and should not be eaten.