"If you think cream and butter are required to make amazing mashed potatoes, then this recipe might surprise you. It calls for Yukon Gold potatoes, which are naturally creamier than russets and need only to be mashed with a little of their cooking water to become rich and fluffy. "

https://cooking.nytimes.com/recipes/1020592-vegan-mashed-potatoes?smtyp=cur&smid=tw-nytimes