Her flavors run the gamut from simple -- organic potatoes, carrots and peas -- to adventurous -- such as organic adzuki beans and sweet potato porridge.

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In Zambia, say, a poor person is defined as someone who cannot afford to buy at least two to three plates of nshima (a kind of porridge), a sweet potato, a few spoonfuls of oil, a handful of groundnuts and a couple of teaspoons of sugar each day, plus a banana and a chicken twice a week.

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