Ingredients

2 pounds cod fish bones 

Shells from about 1 pound of shrimp 

2 cups dry white wine 

3 bay leaves 

3 stems parsley 

Sprig of thyme 

1 teaspoon coarse salt 

Preparation

Place all ingredients plus 2 quarts water in a large stockpot. Bring to a boil over high heat; immediately reduce heat to a simmer and cook for 25 minutes. Skim the surface and strain liquid through a fine mesh sieve into a clean container.