Sausage and ricotta cannelloni
By Theo Randall From Saturday Kitchen Ingredients For the filling 400g/14oz Italian sausages, skins removed and sausage meat finely chopped 1 onion, finely chopped 2 sticks celery, finely chopped 4 sage leaves, roughly chopped 100ml/3½fl oz red wine 400g/14oz ricotta 150g/5½oz parmesan, grated, plus extra …