What is Sourdough. Sourdough is a bread made from the natural occurring yeast and bacteria in flour. In traditional sourdough recipes, youâll find three ingredients: sourdough starter (which consists of flour and water), salt and flour. There is no yeast, no milk, no oils and no sweeteners.Itâs about as natural as you get when it comes to bread.n traditional sourdough recipes, youâll find three ingredients: sourdough starter (which consists of flour and water), salt and flour. There is no yeast, no milk, no oils and no sweeteners. Itâs about as natural as you get when it comes to bread.
The earliest evidence of settlements in the area of today's Berlin are a wooden rod dated from approximately 1192 and leftovers of wooden houseparts dated to 1174 found in a 2012 digging in Berlin Mitte.
Built between 1910 and 1930, the Pergamon is one of the museums constituting the internationally acclaimed National Museums of Berlin. Together with the Altes, Bode, Neues, and Old National Gallery, it is situated on the cityâs Museum Island, which in 1999 was named a UNESCO World Heritage site.