Pork Kidney is a nutritious addition to a meal when prepared properly. There are lots of good recipe suggestions like the one I found on Diary of a Locavore. These include soaking the kidneys in milk or vinegar briefly before using them.
The old world heritage breed pigs that we raise on TK Ranch — specifically Berkshire and Duroc — are famous for their carcass and eating quality. When compared to conventionally raised pigs — that are bred to be lean and housed inside barns — our pigs are much different. They naturally have more fat that gives them the hardiness to live outside in all types of weather and this keeps them healthier and more content. This translates into richer meat that is well marbled and has a wonderful flavour.