Electric grill, also known as iron plate cooking, is a way to eat vegetables. First, heat the iron plate, then place fresh meat and vegetables on it, cover it and eat it. Teppanyaki was invented by Spain in the 15th and 6th centuries. At that time, because of its developed shipping, Spain often sailed around the world. Because of the crew's company with the sea all day long, the sea life was very boring, so they had to fish for fun all day long, and then grilled the fish until it was cooked. This kind of cooking method was later spread from Spanish to Mexico and the United States in the American continent In California and other places, until the early 20th century, a Japanese American introduced the cooking technology of this kind of iron plate cooked food into Japan and improved it into a famous Japanese electric grill.