Hi Momo! Yes, slit the fat so it doesn't curl while roasting. I usually sear chops on all sides, including the fat. I often serve them such that they are to be picked up by the bone and eaten with the hands. Biting through that seared fat into the meat is oine of the great carnivorous experiences. (I often rub with salt pepper, minced garlic, chipotle paste, toasted cumin seeds. The smoke is deadly even with the exhaust fan on. But I can't help it. I have to do it.) I'd love to eat Kurobuta-san.