Schoolchildren growing their own food in Rotherham
12 July 2013 Last updated at 07:32 BST
Head teachers in England are being urged to ban packed lunches to increase the take-up of school dinners and promote healthy eating.
A government-commissioned school food review by two founders of the Leon restaurant chain says take-up is low at 43% despite huge quality improvements.
Tim Muffett has been to Bramley Sunnyside primary school in Rotherham where the pupils are encouraged to grow their own food in the garden.