Porchetta Stuffed with Mexican Forbidden Rice and Chorizo

This recipe brings together elements of three great cuisines: Forbidden rice, a nutty, nutrient-rich purple-black variety with a chewy texture, has long been part of the Chinese diet. Porchetta, herb-scented rolled roasted pork with crackling skin, is a specialty of central Italy. Mexican adobo, a heady mixture of chiles, tomatoes, vinegar, and spices used as both a marinade and sauce, is widely paired with meats of all kinds. Here, I stuff rolled pork belly with the rice and adobo and then