Spaghetti is made from wheat noodles, which are boiled in water for a short time. Spaghetti can either be served as a side dish, or as a main dish. As a main dish, a sauce is added. There are many different kinds of sauces. Simpler ones are made of butter, more complicated ones include tomatos, garlic, olive oil and various other herbs. Different varieties with mussels, fish or meat also exist. Ground Parmesan cheese is often added. 