Classic Thick Spaghetti / Spaghettoni Back to Products Thick Spaghetti, also known as Spaghettoni, is a wider version of an old favorite. Thicker in diameter than regular Spaghetti, Thick Spaghetti gives a fuller taste to each sauce. Barilla® Thick Spaghetti is made with non-GMO ingredients. Purchase Online Back to Products Purchase Online × Related Recipes