Sourdough Honey Brown Lager BreadA loaf of sourdough cools on the countertop.Guinness DoughA rough blend of flour and beer kick off a bread making effort.Sour HeelThe heel of a loaf of sourdough bread rests on a cast iron pan.Sourdough Mise en PlaceIngredients for a beer-based sourdough set out on a countertop.Guinness Sourdough IngredientsIngredients for a loaf of beer-based sourdough.Honey Brown Lager BreadA loaf of sourdough inside the oven.