Its a challenge for me, because so much of what I ate was Mediterranean food, and that has nightshade at its center. Ive had to figure out ways to cook what I need to eat, says Mullen. Hell typically make an anchovy paste with roasted garlic, pine nuts, citrus zest, and olive oil, and spread that on a thin crust pizza with some shaved fennel and caramelized fennel, or pickle his own mackerel with sherry vinegar and various spices, and then sear it on a plancha. Hes also come up with substitutes for tomatoes, replacing them with stone fruit: In Spain apricots are used a lot with savory food, like roast pork. Mullen is contemplating doing a joint-disease cookbook for his fellow sufferers, featuring Spanish recipes that are easy on the eyes and good for the ligaments. This is the hand I was dealt, the chef says. I have to look at what my options are.