At the end of October, All Hallows' Eve passed quietly in our neck of the woods but, the following morning, a walk into the centre of town provided a glimpse into the previous night's high jinks. Flour, eggs and (hopefully) tomato ketchup were coating walls, doors and pavements as if to suggest that there had been an outside broadcast of a monster episode of MasterChef. Indeed, there was also a profusion of empty paper bags, egg boxes and plastic containers strewn around, and even some full bags of flour dumped in alley ways . My curmudgeonly reaction probably owed a great deal to my advancing years, but maybe also to the fact that when I was a youth, the ancient custom wasn't yet known as trick-or-treat in the UK, and was certainly less commercial. However, here in the 21st Century, and wearing my Love Food Hate Waste hat, I was a smidgeon irked. Returning home, I fired up my computer to see what a starving person (albeit one with internet and a functioning kitchen) m...