Pret, Farmer J and atis are selling £15 salad bowls to hybrid workers who want to eat well at lunch. But are these mega salads genuinely healthy, or just bigger, pricier versions of a meal deal? Hannah Twiggs examines how lunch lost its limits Sign up to IndyEat's free newsletter for weekly recipes, foodie features and cookbook releases Get our food and drink newsletter for free Get our food and drink newsletter for free Email * SIGN UP I would like to be emailed about offers, events and