George Foreman grills are a popular kitchen appliance, and there are many things that can be cooked on them. Foreman grills can be used to cook burgers, chicken, fish, steak, and vegetables. They can also be used to cook paninis, quesadillas, and pizzas. Foreman grills are simple to use and clean, making them a great option for busy families or those who don't want to spend a lot of time in the kitchen.