London – 7th November 2009- "rhubarb" food design, the London-based catering company and food organisation, have had one of their busiest years since they started trading 12 years ago. Despite the economic downturn, "rhubarb" has managed to diversify business substantially over the last 18 months, venturing in to the retail sector by opening a food bar in Heathrow's Terminal Three, and winning the contract to be official food operator at the new and much praised Saatchi Gallery restaurant/cafe ...