500g/1lb 2oz plain flour, plus extra for dusting
1 tsp baking powder
1 tbsp caraway seeds
陆 tsp salt
1 tsp dried yeast
120g/4陆 oz unsalted butter
2 eggs, beaten
beaten egg and a drop of water, to glaze
60ml /4 tbsp milk
2 tbsp parmesan, grated
120ml/4fl oz soured cream
250g/9oz streaky bacon, chopped