Peel and Cube sweet potatoes and place them in a large pot
Cover the potatoes with water, make sure they are all submerged
Bring the potatoes up to a boil for about 15-20 or until tender
Drain the potatoes well and place them back into the hot dry pot
Cube the butter and cream cheese on top of the hot potatoes
Salt and pepper them, add the brown sugar and start to mash them either with a potato masher or an electric mixer
At this point if you like the texture leave them , or add the evaporated milk for them to be a litter creamier
Notes
I tested this recipe by roasting the potatoes and boiling them was much easier. If you would rather you can cube them and oven roast them you can . Check out my recipe for roasted sweet potatoes