200g/7oz plain flour
polenta, for dusting
2 tsp bicarbonate of soda
1 tbsp linseeds
50g/1戮oz mixed seeds, such as sunflower and pumpkin seeds, plus extra seeds for sprinkling
2 tsp salt
2 tbsp black treacle
200g/7oz wholemeal flour
butter, for greasing and to serve
500ml/18fl oz buttermilk
1 free-range egg