Given the task definition and input, reply with output. In this task, you have to identify the named entities (NER) which are the ingredients required given its directions. Named entities are the names of the items without their quantity.

Heat oil in a pan and saute the onion for until softened. Add the chicken, cover with stock, bring to a boil and simmer for about 30 minutes., Remove chicken from the pot and set aside to cool slightly. Pour the stock through a sieve, return to the pan, add the carrots and bring back to a simmer for 10 minutes, adding the peas after 6 minutes., Cut the chicken from the bone and into pieces. Add back to the soup, season and add soy sauce to taste. Serve garnished with a sprinkle of parsley.
oil, onion, chicken breast bone, vegetable stock, carrots, frozen peas, soy sauce, parsley