What is "hash"?

Hash is a dish made by combining cooked potatoes, onions, and other ingredients. It is typically made with potatoes, onions, and either beef or pork, but can also include other vegetables or meats. It is a popular dish in many countries and is enjoyed all over the world. Additionally, it can be served as a main dish or as a side dish. It is usually served hot, but can also be served cold. It originated as a way to use up leftovers and is often served with a fried egg on top. The dish is high in calories, fat, and protein.