300g/10陆oz plain white flour, plus extra for dusting
1 tsp bicarbonate of soda
1 tsp table salt
50驳/1戮辞锄 sultanas
75g/2陆oz shelled walnuts, roughly chopped
200g/7oz wholemeal flour
100驳/3陆辞锄 Stilton cheese
400ml/14fl oz buttermilk