Yacon Gourmet Roots - Inka Red Grow exotic gourmet roots from your very own home! Yacon means ?water root? in the Aztec language. The largest tuber you can grow in the UK, producing very crisp and juicy red roots. Sweet tasting due to the amount of inulin present, which is good for diabetics as its not sugar. Tall plants which produce sunflower-like blooms. Can be eaten raw or cooked, tastes like fresh pear/water-chestnut. Yacon tubers are very juicy and sweet so can be eaten fresh like fruit or cooked like a potato, try adding a little chopped up to a fruit salad or roast them, add them to soups and casserole or coleslaw.