Peen-to is a type of peach that is popular in the United States. The term "peen-to" is often used interchangeably with other terms such as "flat peach," "Shanghai peach," and "donut peach." These synonyms refer to the fruit's unique flat shape that resembles a donut. Other possible synonyms for Peen-to include "saucer peach," "pancake peach," and "Saturn peach." Despite the different names, the fruit remains a favorite among peach lovers due to its sweet, juicy, and flavorful taste. Peen-to is often eaten fresh or used in baked goods, salads, and desserts. Its popularity has led to the creation of many different recipes that showcase its unique flavor and texture.