In the video, a person is seen decorating a Christmas tree-shaped dessert. The tree is made of green cereal and is placed on a white plate. The person uses a piping bag filled with white icing to create a zigzag pattern on the tree, resembling a Christmas tree lights. They then proceed to place colorful candies on the icing, adding red, blue, orange, and yellow candies to the tree. The candies are round and appear to be of the same size. The person carefully places each candy on the icing, ensuring they are evenly spaced and distributed across the tree. The final product is a festive and colorful dessert that resembles a Christmas tree.