I added 8oz of cocoa (make into a paste with water first) 10 minutes before the end of the boil. This resulted in a very nice level of chocolate taste, nice and balanced.
Secondary: Imperial India Pale Ale
Bottled: 'Double Hop' English Ale, Kranbeerewein (experimental recipe), 'Copper Coin' English Bitter, 'White Oak' Bourbon oak aged English ale, 'Black Angus' Chocolate Imperial Stout
Up next: 'Ginger Nut' Ginger spiced Pale Ale