What is the national dish of the UK?

Scones, crumpets, fish and chips, haggis, welsh pasties, bangers and MASH, yorkshire pudding, figgy pudding, worcestershire sauce, chutney, hot toddy, porridge, smoked herring, gruel, singing hinny, eggs and chips, kidney pie, liver and onions, tongue sandwich, kippered herring and fried mashies among many, many other dishes.