The Great Pumpkin Ale :: An Imperial Pumpkin Ale. The Great Pumpkin was the silver medalist at the 2007 Great American Beer Festival in the Fruit and Vegetable category and was also the world’s first Imperial pumpkin ale. Brewed with Pale, Munich, Cara-Hell, Cara-Vienne, Cara-Munich and Crisp 45° L Crystal malts. Roasted pumpkin seeds in the mash, and extra pumpkin added in the mash, kettle and fermenter. Spiced with cinnamon, nutmeg, cloves and allspice.