The term 'doughnut-shaped cake type' can be summarized as a Bundt cake. A Bundt cake is a type of cake that is baked in a special pan with fluted sides and a hole in the center, giving it a doughnut-like shape. It is usually made with a butter or oil-based batter and often has a glaze or other decorations. The Bundt cake is a popular dessert in many countries, and is often served at special occasions such as birthdays and holidays.