For this roast I was inspired by the use of mint and orange in a recipe for Persian lamb stew in one of my favorite cookbooks, Diana Henry’s Crazy Water Pickled Lemons. I find that one of the easiest ways to get a good jolt of flavor on a boned lamb leg roast is to rub it with a concentrated mixture inside and out. The minced shallots melt as the leg roasts, while the mint and orange seep into the tender