What type of potatoes are best for mashing?

Online Answer
Well, straight-up, Yukon Gold potatoes are the best for mashed potatoes. We love them for roasting, and we co-sign just as strongly for any mashing needs, whether they be with or without a turkey. Yeah, those guys! Yukon Gold potatoes have the densest and most uniform flesh of the potato varieties.
Related Questions 📌
It is similar to the Yukon Gold in terms of culinary use, adapting well to mashing and baking as well as boiling because of its medium starch and moisture content. ... It is long in size (just right for a french fry), has smooth skin and white flesh, and is moisture-balanced and high in starch content.
This variety of potato is often more expensive than many common potato varieties, but the flavor compensates for the price. ....
Don't substitute Russet potatoes for Yukon Gold because they are too starchy, and they don't hold their shape as well when boiled..
For example, Yukon Golds are 70 to 90 days to maturity. This makes them "early season" potatoes because they are ready earlier than some. A "late season potato," such as heirloom fingerling types, takes about 110 to 135 days to maturity.
Yukon Gold is another variety of white potato that is round, medium-sized, with a thin a tender pale yellow skin. They are prized for their creamy golden flesh, that has a buttery flavor. They can be boiled, baked, roasted or fried. I like to add them to mashed cauliflower potatoes for a richer nutty taste.