ASMALL family business operating in a disused Cold War-era nuclear bunker in the Cornish countryside has taken a storecupboard staple to new heights by winning two three-star Great Taste Awards. The highest honour from the world's largest food and drink awards went to the Artisan Vinegar Company of Coverack for its flagship artisan malt vinegar and its new raspberry shrub, a historically inspired, vinegar-based drink.