In the video, a person is seen preparing a blueberry cake. The person is using a spatula to spread the batter evenly in a glass baking dish. The batter is light yellow in color and contains blueberries. The person then removes the baking dish from the oven and takes out the baked cake. The cake is golden brown and has a crusty top. The person then removes the cake from the baking dish and places it on a plate. The cake is cut into slices and served.