Add the onions, celery, carrots and tomato purée. Fry gently for 5–6 ... Spoon the cooled filling into a 28x23cm/11x9in pie dish. Roll the out pastry on a floured work surface until large ...
This version is a favourite of mine because you don’t need a pie dish or any sort of tin or mould, you don’t need to bake anything blind and there is no waiting around for the pastry to rest.