Homemade Fish Stock Recipe

Name: Homemade Fish Stock Recipe
Cuisine: Mediterranean
Ingredients: 7 pint jars; SERVINGS; 1 tablespoon olive oil; 2 pounds (900 g) leeks, white and pale green parts, roughly chopped (about 4 cups); 2 pounds (900 g) carrots, roughly chopped (about 4 cups); 2 tablespoons lovage leaves or 1 celery stalk, roughly chopped; 5 pounds (2.25 kg) bones and heads (see headnote); 1 cup (8 oz., 235 ml) dry white wine or white vermouth; 4 quarts (64 oz., 3.8 l) cool nonchlorinated water; 12 black peppercorns; 12 parsley stems; 2 dried bay leaves; 1 teaspoon dried thyme