A sandwich maker is a kitchen appliance designed to toast and grill sandwiches. It typically consists of two hinged, heated plates that enclose the sandwich, applying pressure and heat to both sides simultaneously. The sandwich maker's plates are usually made of non-stick materials such as Teflon or ceramic, allowing for easy food release and hassle-free cleaning. These plates are often ridged or grooved, creating attractive grill marks and providing even heat distribution to ensure the sandwich is cooked evenly.

To use a sandwich maker, you simply assemble your desired sandwich ingredients between two slices of bread and place it inside the preheated appliance. When you close the lid, the plates come into contact with the sandwich, pressing it together and cooking it from both sides. The heat from the plates not only toasts the bread but also melts any cheese or heats the fillings, resulting in a warm, crispy, and delicious sandwich. Sandwich makers come in various sizes and shapes, ranging from compact models designed for individual servings to larger units that can accommodate multiple sandwiches at once. Some advanced models may have adjustable temperature settings, allowing you to control the level of toasting and browning according to your preference.