1. In the 6qt pot, add your chicken bones, rock sugar, white onion, and salt. Fill the remainder of the pot with cold water.
2. Bring the pot to a boil over high heat.
3. Remove the foam from the top of the broth.
4. Lower the heat to low and allow to simmer for 3 hours.
5. Using a strainer, remove the bones and onions from the broth.
6. Freeze or use the broth for soups, hotpots, noodles, etc.