How to make the perfect cinder toffee — theguardian.com

Cinder toffee (also known as hokey pokey, puff candy or even sea foam, depending on where you are in the world) is best described, to the uninitiated, as “that stuff you get inside a Crunchie bar”. It is brittle yet sticky, with an airy, honeycomb-like texture that makes it well-nigh impossible not to eat one piece too many, and an addictive slightly bitter edge, thanks to the caramelised sugar and the bicarbonate of soda that creates all the holes.

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