
3 to 4 pounds beef marrow bones for stock
2 tablespoons olive oil
3 celery stalks, cut into thirds
3 medium carrots, cut into thirds and halved lengthwise
1 medium onion, cut into wedges
1 garlic bulb, halved
1 jalapeño pepper, halved*
2 fresh bay leaves
½ cup lightly packed Italian parsley
2 teaspoons apple cider vinegar
1 teaspoon coarse kosher salt
1 teaspoon whole black peppercorns
8 to 10 cups filtered water
*NOTE: Chile peppers contain volatile oils that can burn your skin and eyes. When working with jalapeños, wear protective gloves.