Berliner Bulette is a variation of the traditional Boulette that is commonly found in Berlin. It is a large, flat meatball made from ground beef or a mixture of beef and pork. Berliner Bulette is typically served with a side of potatoes and a tangy mustard sauce. It is a popular dish in Berlin and can be found in many local restaurants and street food stalls. If you're a fan of meatballs, Berliner Bulette is a must-try in the city.