Lasagne are a type of wide, flat pasta, possibly one of the oldest types of pasta. Lasagne, or the singular lasagna, is an Italian dish made of stacked layers of thin flat pasta alternating with fillings such as ragù and other vegetables, cheese, and seasonings and spices such as garlic, oregano and basil.
Spaghetti is a long, thin, solid, cylindrical noodle pasta. It is a staple food of traditional Italian cuisine. Like other pasta, spaghetti is made of milled wheat and water and sometimes enriched with vitamins and minerals. Italian spaghetti is typically made from durum wheat semolina.