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When it comes to thinking about trends, the fruit aisle of Lidl seems as good a place as any to start. 

I was walking along last week minding my own business (literally — I was trying to figure out what to write this column about) when there they were: the pomelos.

Pomelo: I didn’t know of its existence until a week ago. If I had to guess, I would have thought it was French-o for an apple-lo but lo and behold it’s not. It’s a completely different fruit.