In the video, a person is seen cutting an onion on a wooden cutting board. The person uses a large knife to slice the onion into thin pieces. The onion is white and appears to be fresh. The cutting board is placed on a kitchen counter, and there is a plate with cheese on it in the background. The person's hands are visible as they hold the onion and knife. The video is shot from a close-up angle, focusing on the action of cutting the onion.