2 celery stalks, chopped
1 tbsp chopped fresh dill
2 garlic cloves, peeled, chopped
1 onion, peeled, sliced
6-8 fresh parsley stalks
300ml/10陆fl oz hot chicken stock, plus 1 litre/15录fl oz to cook the dumplings
1 bay leaf
salt and freshly ground black pepper
12 white peppercorns
150ml/5陆fl oz vegetable oil
4 free-range eggs
1 x 1.5kg/3lb 5oz chicken
200g/7oz matzo meal