Hot and sour dumpling soup

• 1 litre chicken stock

• 30g dried whole shiitake mushrooms

• 1/4 cup black vinegar

• 1/3 cup soy sauce

• 1 tbsp caster sugar

• 500g fresh pork dumplings

• 1 bunch bok choy, trimmed and halved

• shiso leaves, to serve

Chilli oil

• 1/4 cup sesame oil

• 2 garlic cloves, crushed

• 2 tsp dried chilli flakes

• 1 tbsp black sesame seeds

• 1 tbsp white sesame seeds

• 1 tsp caster sugar