Remove meat from the rotisserie chicken. Meat can be used for other dishes or in sandwiches.

Add chicken carcass and 1-1.5 litre of water to a large stockpot. Add the rest of the ingredients - brown onion, white part of the spring onion or scallions and chicken seasoning powder. For a robust and richer soup, you can add other ingredients of your choice too. See ingredients listed in VARIATIONS OR OPTIONAL INGREDIENTS.

Bring to a boil over medium heat. Skim off the foam that rises to the top. Then continue to simmer over low heat for at least 2 hours.

Strain through a fine mesh strainer, discard all the solid. Taste and adjust seasoning to your liking. Serve hot as it is with some chopped scallion and store bought fried onions. You can also use this for porridge or other soup based dishes.