Grilled Fish the Mediterranean Way

This is one of those recipes in which the shopping may take you longer than the cooking, because fennel stalks—or those from dill, which are nearly as good—are often discarded by grocers. When you buy a bulb of fennel, you’re buying the bottom, trimmed of its long stalks; when you buy a bunch of dill, you’re buying the feathery tops, trimmed of the stalks that support them. Because this recipe requires some of those stalks, you will probably have to speak directly to a produce manager, visit a farmstand or a friend’s garden, or simply get lucky. The technique of grilling fish on top of fennel or dill stalks solves a couple of problems at once: it seasons the fish subtly and without effort, and it helps prevent the fish from sticking to the grill and falling apart. In fact, this method allows you to grill even relatively delicate fillets like cod, usually one of the most challenging fishes to grill because of its tendency to fall apart as it nears doneness.