Prep: 1. Chop vegetables in large chunks (but don't peel). Make: 1. Place everything in large stockpot, fill with 8 quarts of water to 2" below rim, cover, bring to boil. 2. Decrease heat and simmer, uncovered, for at least 4 hours (add more water as needed) 3. Strain broth, and add salt to taste. 4. Cool to room temp before refrigerating or freezing.
"I don't know if this broth fights cancer (per the cookbook title) but it is delicious, restorative, and made easy by not needing to peel anything" - Mary, Gatheredtable Founder Leeks can be particularly dirty, make sure to rinse them thoroughly - https://www.youtube.com/watch?v=SdX6W6qpoEk