“Eat your vegetables.”

This mantra is on the lips of everyone from our parents to our governments, while even geniuses such as Einstein and Tolstoy were known to wax lyrical about the benefits of greens. For the past couple of million years, we have foraged all manner of edible plant parts from beetroots, asparagus stems and spinach leaves to globe artichoke bracts, broccoli flower buds and courgette petals. In the absence of any botanical meaning, we have branded these plant parts as vegetables and endowed them with superhuman health benefits overflowing with vitamins, minerals and fibre.

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