And yet, here I was about to tuck into a Mars Bar encased in batter and crisped up in beef dripping. (Image: Sarah Caldecott) It shouldn't work. It ought not to work. It certainly is not for the diet.

And yet, here I was about to tuck into a Mars Bar encased in batter and crisped up in beef dripping. The flavours of a Mars bar are known well. Now add crispiness and a sense of dicing with death ...