Kumara and potatoes are a great combination, whether mashed together, tossed through a salad or as the base in a soup. Here, I have sliced them thinly, and layered them with garlic, onions ...

Ioannidis noted that the sweet potato's name in many Polynesian languages - kumara - resembles its name in some native Andes languages.

Wash, peel and evenly chop 2 large agria potatoes and 1 large kumara. Cover with salty cold water and boil until tender. Drain and mash thoroughly with a little butter or sour cream. Season with ...