google_color_bg = "FFFFFF"; Chips, mash, roasties, dauphinoise... potato is the kitchen gift that keeps on giving. KennebecPotato.com. Kennebec is a medium- to late-maturing white potato.It was bred by the USDA and selected by Presque Isle Station, Maine, in 1941. Instead what you want to do is to make sure that the potatoes are still fresh. Potatoes are tubers that are a staple food in many parts of the world, particularly Europe and the West. Cream, milk, etc. Kennebec Potato GROWING TIPS. //-->,