Chocolate-flavour bars and smaller packs appear here to stay despite the fall of cocoa costs to a near three-year low and a 20% drop in the sugar price. It was last year, during near-record-high cocoa prices, that customers began noticing smaller packs and the phrase "chocolate flavour" bar, as the cocoa content dropped to such a level that manufacturers could no longer describe their products as chocolate. Image: Are you chocolate in disguise? Yes, actually Toffee Crisp and Blue Riband bars