What is a food warmer?

A food warmer is an appliance designed to keep food warm over an extended period. It typically features a heating element and a thermostat to control the desired temperature. Food warmers are available in various sizes and styles, from compact countertop models to large commercial-grade units. They can be used to warm a variety of foods, such as soups, stews, casseroles, and entrees. Some food warmers also include features like timers, digital controls, and warming drawers.