The first time we ran a recipe for slow-cooked salmon poached in olive oil, surrounded by fennel and citrus slices, and casually pulled apart, readers swooned. We swooned! It became an instant, oft-imitated classic. We’ve riffed on it ourselves, running flavor variations over the years, including this new one. The reason it has become such a staple: The low temp and abundance of olive oil make it nearly impossible to overcook. You’ll forget there’s any other way