Semolina is actually just a type of flour made from durum wheat. Semolina is a staple food in Nigeria, where it is mixed with water and boiled to eat with soups or stews. Couscous, made with semolina, is a common food in other parts of Africa as well as the rest of the world. In European countries, semolina is also used for sweet puddings and it can form a type of porridge when boiled. However, the number one use for semolina is in pasta, so it follows that it is most common in Italy and surrounding areas.