The video shows a person cutting an onion on a wooden cutting board. The person is using a knife to cut the onion into slices. The onion is white and appears to be fresh. The cutting board is made of wood and has a few stains on it. The person's hand is visible, and they are wearing a ring on their finger. The knife has a blue handle and a sharp blade. The person cuts the onion into thin slices, and the pieces are scattered on the cutting board.