In the video, a person is using a mixer to mix ingredients in a bowl. The mixer is silver in color and has a black handle. The person is holding the bowl with one hand while the other hand is operating the mixer. The ingredients being mixed are not visible, but there is text on the screen that reads "1/2 cup of butter, 1/4 cup of brown sugar and 3/4 cup of white sugar". The person is continuously mixing the ingredients, and the mixer is making a whirring sound.