50g/2oz onion, finely chopped
1 tbsp chopped fresh parsley
150驳/5陆辞锄 potato, peeled and cut into cubes
50g/2oz swede, finely chopped
225驳/陆濒产 plain flour, plus extra for dusting
1 tsp baking powder
salt and freshly ground black pepper
陆 tsp salt
60g/2陆oz unsalted butter
1 free-range egg, yolk only
1 free-range egg, beaten, for glazing
100g/3陆oz rib-eye steak, cut into small pieces