After years of cauliflower posing as rice and frozen food being frowned upon, Britain’s poshest shoppers are loving real carbs again and have turned the freezer into the new pantry. Hannah Twiggs dives into Waitrose’s latest food and drink report and looks at why the frozen and bread aisles have become a gourmet destination F or the past decade, the British middle classes have tried – often unsuccessfully – to pretend they don’t like carbohydrates . Bread was rationed like contraband. Pasta