Hoorah for the home made sandwich. At Great British Chefs we were delighted to hear that a new survey has shown that sales of lunch boxes and food bags have risen by 40 per cent as more people opt for home-made sandwiches. According to a survey people realised they can pay as much for takeaway food in a day as it would cost to make their own lunches for a week. Find out more about what the sandwich industry is worth .....