Lessons are being organised at schools to inform parents on how to make their children's packed lunched "less unhealthy". A study by University of Leeds revealed that lunches made at home "rarely meet school food standards" and were typically found to mostly contain unhealthy snacks.
The research also showed that about a half of lunchboxes included fruit while only a fifth included vegetables, resulting in just 1.6 per cent in the study being deemed nutritious enough. Sandwiches were found to generally be made with white bread and filled ham, though many others were also filled with jam or Marmite, The Times reports.
In 2015, mandatory rules were introduced for hot school dinners, but there hasn't been any similar rules regarding packed lunches.