Combine onion, celery, ginger, carrot, garlic, and peppercorns in a large heavy pot. Add chicken,
Add 6 quarts water (preferably filtered or spring water); bring to a boil over medium-high heat
Add cayenne, the lemon and rosemary. Cover with lid slightly ajar
After 20 mins Remove lid reduce heat to low; simmer, uncovered, until broth is fully flavored, about 2 ½hours longer. (Can also cook in crock-pot) Remove chicken legs from broth. When cool enough to handle, discard any skin and bones, and coarsely shred meat.
Place a fine-mesh sieve over another large pot; strain broth, discarding solids in strainer.
Place a fine-mesh sieve over another large pot; strain broth, discarding solids in strainer.
NOTE: unlike most soups do not brown onion and vegetables in oil first.