In the video, a person is seen adding mushrooms to a pot of vegetables. The pot is placed on a stove, and the person uses their hand to pour the mushrooms into the pot. The mushrooms are brown and white, and there are several of them in the bowl. The vegetables in the pot include carrots, celery, and onions, which are already in the pot. The person's hand is visible as they pour the mushrooms into the pot, and the mushrooms fall into the pot with the other vegetables.