Nigella's jam roly-poly pudding is complete comfort food ... Place the dough onto a floured work surface and roll out into a rectangle about 20cm/8in x 30cm/12in. Brush one side of the pastry ...

Grease a 20cm diameter by 11cm deep heatproof pudding basin with melted butter and spoon the jam evenly into the bottom Half fill a large pan with water, place on the heat and bring to the boil.