Sure, you can get carne asada all over town, but what about a coliflor asada? Yes, a roasted cauliflower, slathered with a piquant mayonnaise infused with chile morita and a dusting of Parmesan. It’s the best-selling item on the menu at Frida, says chef Sofía Sada, and her creation deftly evokes the feeling of street fair elote with a refined flavor and presentation.