In the video, a person is using a mixer to mix a batter in a bowl. The mixer is spinning at a high speed, causing the batter to blend together. The person is holding a bag of flour and pouring it into the mixer. The flour is being added in increments, and the mixer is continuing to spin. The person is wearing a white apron, and the kitchen counter is visible in the background. The mixer appears to be a professional-grade kitchen appliance, and the batter is thick and creamy. The flour is being added to the mixer in a steady stream, and the mixer is efficiently incorporating the flour into the batter.