I am writing this as the UK basks in another heatwave, whilst a good few of you may have been sat sipping a refreshing pint or two in a bucolic country pub garden. You know where I mean. As you enter you can hear the smack of leather on willow from the nearby village green, the echo of your footsteps on the cool flagstone floors and the friendly welcome from the bar staff. Above the bar is a chalkboard menu of delicious food. And if I asked you what would be on that menu, I bet most of you wo...