Peel it, slice it, layer the slices in a baking dish, season them, cover with a béchamel sauce, bake it until it's bubbly. You could also put garlic in the béchamel.
Hugh Fearnley-Whittingstall suggests julienning it and dressing it with a mustard vinaigrette. I haven't tried that, but it looks good. Or, try using it in a slaw with carrot and a creamy dressing.