By definition, your pizza is very low-grade art. It doesn't have any symbolic significance, it affects only 1 of "senses, emotions, intellect". Otherwise, it fits.
Why does it have to be "art OR not art"? Can't it be a spectrum? Like love? Or beauty? Or any other subjective concept you can think of?
Why does it have to be "art OR not art"? Can't it be a spectrum? Like love? Or beauty? Or any other subjective concept you can think of?