Potatoes and olive oil come together in this simple yet extraordinary dish. By Eric Kim Credit...Linda Xiao for The New York Times. Food stylist: Maggie Ruggiero. Prop stylist: Sophia Eleni Pappas.

Not only are these mashed potatoes incredibly easy to prepare, but they’re also flawless every time. You cannot fail with this recipe. The satiny spuds are rich but not too thick, never too thin, and ...