Käsespätzle is a traditional dish from Swabia, a region in Germany. It consists of soft egg noodles called Spätzle, which are typically made from flour, eggs, and water. The noodles are cooked and then layered with melted cheese, often Emmental or Gruyère, and topped with crispy fried onions. This hearty meal is often served as a main dish or a side, and it is popular in various parts of Germany, Austria, and Switzerland. Käsespätzle is known for its comforting flavors and is often enjoyed during colder months or at festive gatherings.