The video shows a person using a green fork to mash a banana on a blue plate. The person presses down on the banana with the fork and then moves the fork in a circular motion to mash the banana. The banana is white and appears to be ripe. The blue plate is round and has a smooth surface. The green fork has four tines and is held by a person's hand, which is visible in the video. The person's other hand is not visible. The background is not shown in the video.