Mendonesia Series This unique beer is made by souring our Barney Flats Oatmeal Stout in used Wild Turkey Bourbon barrels for up to 18 months. The acidic and fruity profile is reminiscent of cherry cordials and chocolate cake. Barrels: Wild Turkey® Bourbon Yeast/Bacteria: House yeast, Pediococcus Damnosus Length of barrel-aging: Up to 18 months