FRY
ok, that is nice, but I'm kidding
Parboil briefly then roast - smallish cubes, hot oven
Can be good as soup, add some carrots/parsnips, spices, and either bacon or ccnut milk for fat
Or, if you can slice it thin enough, fry it and make crisps (chips)
HOWEVER
i would leave it for at least 3-4 days to ripen before you eat it