In the video, a person is seen cooking onions in a pot. The onions are being fried in oil and are being stirred with a spatula. The person is using a strainer to remove the onions from the oil and then adds them back into the pot. The onions are sizzling in the oil, and the person is continuously stirring them with the spatula. The video shows the process of cooking the onions in detail, from frying them to adding them back into the pot.