Posted: 01/05/2015 at 14:19
For Heaven's Sake! It looks like one of the spinach family. Tear off the useful leaves and cook them up. It was after all in a polytunnel.
Some people on this board are like the kitchen staff who wouldn't let the children eat the produce from the school garden because it hadn't come from the usual firm that supplied the kitchen.
Or the care home staff who banned home-made birthday cakes because they hadn't come from a shop.