Bill, I will dig out my recipe book this afternoon and post some. Basically you have to shell and then leach out the tannic acid. I usually just line a collander with cheesecloth and let water slowly flow over the nuts. In a survival situation the resulting solution makes a mild antiseptic wash and of course is usefull for tanning leather. It is an acquired taste ;O) I've had soups, mush and cakes. The Chumash actually made steatite frying pans!