In the defining case (Roe v Wade quality) of McVitties v Her Majesty’s Customs and Excise, the courts accepted the definition that biscuits (cookies) are food that grow soft when stale, and cakes grow hard when stale. Which brings up this important philosophical question of definitions, if that’s the case, wouldn’t soft-baked cookies (think Subway, Mrs Field) be classified as cakes too? They get hard when stale…