Pick your sauce! National Spaghetti Day, January 4th, recognizes long, thin cylindrical pasta of Italian and Sicilian origin. Usually made from semolina flour, this pasta has been a worldwide favorite loved by millions. Different pasta dishes are based on spaghetti, including spaghetti with tomato sauce, meat sauce, bolognese, Alfredo sauce, clam sauce or others. Spaghetti dishes are served topped with grated hard cheeses. Pasta shells with meat sauce for dinner.