African cuisine encompasses within its fold several nations, including Morocco, Algeria, Libya, Tunisia, Egypt and Sudan. The roots of North African cuisine can be traced back to the ancient empires of North Africa, particularly in Egypt, where many of the country's dishes and culinary traditions date back to antiquity. Over several centuries traders, travelers, invaders, migrants and immigrants all have influenced the cuisine of North Africa. The Phoenicians of the 1st century brought sausages, while the Carthaginians introduced wheat and its by-product, semolina. The Berbers adapted semolina into couscous, one of the main staple foods. Olives and olive oil were introduced before
Double steaming in Mandarin, because "dun" means to simmer or stew in Mandarin. This technique is also common in Fujian, a neighbouring province of Guangdong (Canton). Cantonese cuisine is famous for its slow-cooked soup. One famous dish of this kind is called the "winter melon urn" (). It is prepared by emptying the inside of a winter melon to make an urn. The outside of the winter melon is often carved with artistic patterns. The inside is then filled with soup ingredients, such as Chinese cured ham and Chinese herbs. The whole urn, complete with its original melon lid, is double-steamed for