Yes, polenta is one of the least known Italian dishes. It is based on corn semolina flour, a little known ingredient in many places but it can be substituted by yellow corn flour. It will not have the same texture but its flavor is very similar. Thank you for your words and the warm welcome.
RE: [Eng / Esp] Foodies challenge, Cooking my least favorite dish: Polenta and turning it into polenta cake. / [Eng / Esp] Desafío foodies, Cocinando mi platillo menos favorito: Polenta y convirtiéndolo en pastel de polenta.