Spaghettini is a long, thin, solid, cylindrical pasta. It is a staple food of traditional Italian cuisine. Like other pasta, spaghettini is made of milled wheat and water and is sometimes enriched with vitamins and minerals. Italian spaghettini is typically made from durum wheat semolina Usually the pasta is white because refined flour is used, but whole wheat flour may be added. A spaghettini is a thinner form of spaghetti, while a capellini is a very thin spaghetti.