Carolina Gold Nuggets.
Microwavable Pork Rinds.
Per serving, 60 Cal, 2g Fat, 0 Carbs, 0 Sugars, 9g Protein.
I've got this stuff on Subsccribe and Save.
http://smile.amazon.com/gp/product/B002O5QWD8
Chef Piggy Tail sells similar microwavable ones as well, but flavored if you're into that.
Microwave them on a paper plate rather than ceramic so that they fully puff up.