Ingredients: 2 TBSP grass-fed butter 3 medium carrots, peeled and cut into chunks 1 medium onion, chopped 3 celery ribs, chopped 1 leek, chopped 3 bay leaves 2-4 rosemary leaves 5-6 garlic cloves 1 TSP black pepper 1 TSP salt 2 TBSP apple cider vinegar 4 lbs beef or chicken bones 10 cups filtered water […]