These "soup backs" come from our pastured chickens, and are great for making bone broth! A soup back is the carcass left over from processing a chickens into retail cut. At Granja Las Aguilas, very little goes to waste. We use a crockpot and cook for at least 12 hours to make a delicious and nutritious stock / bone broth; a pressure cooker also works great. Our chickens eat only grass, bugs, organic sprouted oats, and a 20% protein organic grain mix (contains certified organic wheat, soy, corn, alfalfa, and sunflower seeds). Packages weigh between 1.5 and 3 lbs each. The cost is $4.00 per pound. Health Benefits of Bone Broth: The collagen, gelatin, vitamins and minerals in stock made from a soup back supports skin elasticity, strong joints and lubrication, reduced joint inflammation, and hair and nail growth. The natural gelatin in the joints supports gut health, by soothing digestive linings and improved nutrient absorption. Its calcium and other minerals support bone strength and density.