Beef stew with dumplings

4 tbsp plain flour seasoned with salt and pepper

1kg braising steak, cut into 2.5 cm cubes

4 tbsp olive oil

2 large onions, peeled and finely chopped

2 medium carrots, peeled and sliced

2 celery stalks, sliced

1 turnip, peeled and cut into cubes

570ml beef stock

2 bay leaves

2 tbsp fresh thyme leaves or 1 tsp dried thyme

For the dumplings:

175g plain flour

2 tsp baking powder

½ tsp salt

2 tbsp oil

118ml milk