In the video, a person is seen decorating gingerbread cookies with white icing. The cookies are shaped like Christmas trees and candy canes. The person uses a piping bag to apply the icing in a zigzag pattern, starting from the top and moving downwards. The icing is applied carefully and precisely, creating a festive and appetizing look. The gingerbread cookies are placed on a wooden surface, and the background is blurred, focusing the viewer's attention on the decorating process. The video captures the meticulous attention to detail and the artistic skill involved in creating beautifully decorated cookies.