In the video, a person is pouring a yellow liquid over a tray of macaroni. The tray is filled with elbow-shaped macaroni, and the liquid is being poured from a glass bowl. The person pours the liquid in a steady stream, ensuring that the macaroni is evenly coated. The liquid appears to be a cheese sauce, and it covers the macaroni completely. The person's hand is visible as they pour the sauce, and the background is a kitchen counter.