INGREDIENTS
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about 4 pounds beef marrow and knuckle bones
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1 calves foot, cut into pieces (optional)
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3 pounds meaty rib or neck bones
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4 or more quarts cold filtered water
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1/2 cup vinegar
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3 onions, coarsely chopped
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3 carrots, coarsely chopped
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3 celery stalks, coarsely chopped
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several sprigs of fresh thyme, tied together
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1 teaspoon dried green peppercorns, crushed
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l bunch parsley