Use whatever oil you like. I usually use bacon drippings, sometimes lard, whatever. Cut into fry sized wedges, coat with the oil, sprinkle on any seasonings you'll be using, spread out on a cookie sheet and pop in the oven. At 375-400, IIRC. It's been a while. Turn them over after about 20 minutes and return to the oven for around another 20. I like them with horseradish sauce which I make with sour cream, horseradish, a squeeze of lemon and a bit of salt.