In the video, a person is seen cutting a white onion on a wooden cutting board. The person is using a large knife to cut the onion into wide, diagonal slices. The onion is already peeled, and the person is making several cuts to slice it into thin strips. The cutting board is placed on a table, and the person is wearing a red apron. The video is shot from a close-up angle, focusing on the person's hands and the onion.