370g/13oz plain flour, plus extra for dusting
1 tsp bicarbonate of soda
1 tsp salt
1 tbsp black treacle
130²µ/4½´Ç³ú wholemeal flour
40²µ/1½´Ç³ú butter, melted
300–340ml/11–12fl oz buttermilk (or alternatively use warm milk plus 1 tbsp lemon juice)