I've made a couple attempts at a PB cup porter, using pb2. My first with 1lb at 10min and 1lb in secondary. Minimal pb flavor, nearly non palatable. My second I decided to really go for it with the pb2, 1lb at 30 min, 1 at 10 min, 1 at flameout, and 2 in secondary, for a total of 5lbs. Very...