What is a potato masher use for?

A potato masher is a kitchen utensil used to mash or finely crush cooked potatoes. It consists of a handle attached to a perforated metal head, creating a simple yet effective tool for preparing mashed potatoes. The process involves pressing down on the cooked potatoes with the masher, breaking them into smaller pieces and incorporating air, resulting in a fluffy texture. Potato mashers are commonly used to prepare mashed potatoes for various dishes, such as shepherd's pie, fish pie, and bangers and mash.