"s increasing worldwide, food manufacturers are scrambling to produce foods free of allergens such as dairy, peanuts, egg, soy and shellfish.Sharing home-cooked meals with strangers is also tipped to be a booming trend in 2013, with predictions that copycat versions of online meal co-op services, Mealku in New York and Super Marmite in Paris, will soon spring up in other cities.The services work by" . . . .