A gas fryer is a kitchen appliance used for deep frying food using natural gas or propane as a heat source. It consists of a large pot or tank filled with oil, which is heated to high temperatures to cook various foods like fries, chicken, and doughnuts. Gas fryers are popular in commercial kitchens due to their quick heating capabilities and efficiency. These fryers typically feature adjustable temperature controls and safety mechanisms to prevent overheating. They come in various sizes, making them suitable for both small restaurants and large food establishments. Proper maintenance and cleaning are essential for safe and effective operation.