The best potatoes for mashed potatoes are starchy varieties like Russet, Idaho, or Yukon Gold. These potatoes have a high starch content and low moisture, which makes them ideal for mashing. Yukon Gold potatoes are considered the best choice for classic mashed potatoes with a dense, creamy texture. They have a rich texture and subtle creaminess that make them great for all of your mashing needs. Russet potatoes are also a good option if you prefer pillowy-soft mashed potatoes. They are high in starch content and low in moisture, which makes them perfect for light, soft mashed potatoes. If using Yukon Gold potatoes, you can leave some of the skin on for a bit of texture.

In summary, the best potatoes for mashed potatoes are starchy varieties like Russet, Idaho, or Yukon Gold. Yukon Gold potatoes are the best choice for classic mashed potatoes with a dense, creamy texture, while Russet potatoes are ideal for pillowy-soft mashed potatoes.