A potato piercing assembly for preparing a potato to be cooked in a microwave oven includes a first dish that may have a potato positioned therein. A plurality of first spikes is provided and each of the first spikes is coupled to the first dish. Each of the first spikes pierces the potato when the potato is positioned in the first dish thereby preparing the potato to be cooked in a microwave oven. A second dish is hingedly coupled the first dish. The second dish is selectively positioned in a closed position such that each of the first dish and the second dish enclose the potato. A plurality of second spikes is provided and each of the second spikes is coupled to the second dish. In this way each of the second spikes pierces the potato when the second dish is closed.