Whole Hog Brewery Hazelnut Brownie is an Imperial Porter Ale by style. When the season turns cold, save room for Whole Hog Hazelnut Brownie, a sweet, strong imperial porter layered with hazelnut and milk chocolate. Feel the delicious warmth on your cheeks from the combination of Cluster hops and dark chocolate malt. With Hazelnut Brownie, Winter gets its just desserts. This craft beer is 9.2% ABV. In this craft beer review, we will take a look at the color, smell, and taste.