If you to the Carniceria , or Mexican meat market, ask them if they make their own chicharron, which means fried pork rinds. It's a Mexican specialty. They make them in a large copper kettle to sell fresh. This process will render manteca , or lard. They will sell the manteca fresh until it runs out. It's tasty and you might find a few bits of crispy fried pork skin in it. Not to mention that it's cheap!

If you have the Mexican meat market in your town, just go in and ask the butcher. A pound will cost me under 3 dollars and no need to worry about processing or hydrogenation. .. Buy some chicharron while you're at it! You'll never have pork rinds that tasty.