Peel and cube potatoes. They should be in 1 inch cubes for even cooking.Place in a pot and cover with water. Bring to a boil and then reduce heat to medium, to maintain a rolling boil. Boil until the potatoes are fork tender.On low heat, melt butter in a sauce pan with the heavy cream (do not boil).Drain the potatoes and push thru a potato ricer (or smash very well)Add in the butter and heavy cream. Gently fold in the chives, season with salt and pepper.Garnish with more chives and melted butterEnjoy