Breweries have been supplying mash to distilleries here and there and some have even tried to make special beer spirits using it. Now Lagunitas has teamed with local Petaluma distiller Griffo on a spirit sibling for famed Triple IPA, The Waldos’ Special Ale

Here are the details on how it is made, first a “Waldos mash using 100% malted barley. The unfermented mash takes a half block trip to Griffo later and Mike and his team are ready to take over. They ferment the mash and add the Waldos’ hops to the copper pot still before running it through the still two separate times. The spirit is then put into a large American Oak cask made by famed French cooperage Seguin Moreau. After several years aging, its proofed to 84 for a final ABV of 42.0% (whoa) and the spirit that is Still Waldos is ready….”