InstructionsPreheat the oven to 220??C, gas mark 7.Heat the oil in a frying pan and fry the onion and barley for 5 minutes.Transfer to a large casserole dish.Add 400ml water with the remaining ingredients except the coriander.Bring to the boil, cover and then bake in the oven for 45 minutes, stirring half way through.Stir in the coriander and season to taste.