Mother Earth Brewing Company (California & Idaho): Sin Tax - Imperial Peanut Butter Stout

Official description from the brewery:
Don’t let it fool you. This is an imperial stout first and foremost. Deep dark malts lend espresso notes and British crystal malts contribute the perfect toffee and caramel flavor. Despite the dry finish there is a wonderful molasses character compliments of brown cane sugar, and just enough residual sugar to finish full-bodied but never cloying. The peanut butter is simply featured to augment what is already there...a fantastic example of a legendary beer style.