A Bundt cake is a cake that is baked in a special mold that gives it a distinctive ring shape. It is often decorated with a simple glaze or icing, and may be filled with fruit or cream. Bundt cakes are best served at room temperature, so you will need to allow the cake to cool completely before serving. Depending on the size and thickness of your cake, this can take anywhere from 1-2 hours. Once the cake is cooled, you can glaze or frost it, if desired.