A potato masher is a kitchen tool designed to crush and mash cooked potatoes into a smooth or chunky consistency. It typically features a handle and a flat, perforated head that allows for easy mashing. This tool is commonly used to prepare mashed potatoes, a popular side dish. Potato mashers come in various materials, including stainless steel, plastic, and wood. Some designs include additional features, such as a ricer, which can create an even finer texture. Using a potato masher is a simple and effective way to achieve the desired consistency for various recipes, including potato salad and shepherd's pie.