Ingredients

  • 3 cups coarsely chopped cabbage
  • 2 1/2 cups coarsely chopped fennel bulb
  • 2 cups coarsely chopped celery
  • 1 cup chopped carrot
  • 2 tablespoons tomato paste
  • 2 large onions, peeled and halved (about 1 1/2 pounds)
  • 1 (8-ounce) package mushrooms
  • 12 black peppercorns
  • 10 flat-leaf parsley sprigs
  • 8 thyme sprigs
  • 6 garlic cloves, peeled
  • 2 bay leaves
  • 4 quarts water

Method

  • Combine first 12 ingredients in an 8-quart stockpot. Pour water over vegetable mixture; bring to a boil. Reduce heat, and simmer 45 minutes, skimming surface occasionally.
  • Strain stock through a sieve into a large bowl; discard solids. Cool stock to room temperature. Cover and chill. Refrigerate stock in an airtight container for up to 5 days or freeze for up to 3 months.