Scratchings are as hot as the chilli used to flavour them, and I suppose, the amount of it used!
Chilli is measured on a thing called the Scoville scale.
But how hot is a chilli?
In 1912 an American chemist by the name of Wilbur Scoville set about finding the answer to this very question and the test he devised was known as the Scoville Organoleptic Test.
To find out more, click the link below, it’s a damn good and quick read!