A great way to use up the Christmas turkey. Make the filling in advance then add the pastry top and bake just before serving. Preheat the oven to 200C/400F/Gas 6. Heat a large pan over a medium heat.

Put the turkey mince into a large bowl. Take the grated courgette in handfuls and squeeze well to remove excess water, before adding to the bowl. Toss in the dried herbs, bicarbonate of soda ...