Eisbein, also known as Schweinshaxe, is a traditional German dish that is particularly popular in Berlin. It is a pork knuckle that is typically brined, boiled, and then roasted until the skin becomes crispy. Eisbein is often served with sauerkraut, mashed potatoes, and mustard. It is a hearty and flavorful dish that is perfect for meat lovers. If you're looking to try a traditional German dish in Berlin, Eisbein is a great choice.