Both mashed and smashed potatoes begin with boiling potatoes. However, that’s where their similarities end. u003ca href=u0022https://www.chewoutloud.com/instant-pot-mashed-potatoes-5-ingredients/u0022 target=u0022_blanku0022 rel=u0022noreferrer noopeneru0022u003eMashed potatoesu003c/au003e are created by whipping boiled potatoes with milk and often butter. Meanwhile, smashed potatoes are made by simply mashing or pressing down whole boiled potatoes until they form a flattened patty-like shape.