10-12 cups water
1/4 cup minced garlic
2 tsp. salt
2 tsp. black pepper
3-4 (2-3") pieces Parmigiano Reggiano rind
In large stock pot, bring all ingredients to a boil over high heat; simmer (1 1/2 to 2 hrs.), adding more water if needed. Remove ring; use immediately or refrigerate or freeze, completely covered, for later use.