Scotland's national dish and is well loved by many, but a recent survey has named haggis as the food Brits hate - despite most of those asked never having tried it.The much-maligned dish joined Japanese delicacies sushi and sashimi at the top of foods 2,000 adults in the UK turn their noses up at, even though they've never given them a chance.More than half of those surveyed, who also placed another Scottish staple in black pudding on the list, put their distaste for certain foods down to their