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American consumption of this bittersweet, leafy vegetable jumped by a third during the 1930s.
According to Assyrian legend, when the gods met to create the world, they drank wine made from sesame seeds.
Amongst the vast range of sweet potatoes in the world, one of the most sought after is the Cilembu sweet potato, a variety native to Indonesia.
Possibly the oldest tree food known to humans, records report walnut consumption dating back 10,000 years.