Makes 2 1/2 quarts stock Ingredients 2 tablespoon olive oil 1 large yellow onion, cut into medium dice 1 leek, coarsely chopped 1 celery stalk, cut into medium dice 5 lb bones from mild, lean white fish; or shrimp, crab, and/or lobster shells 5 black peppercorns, cracked 4 parsley stems […]