Sandwich grillers, on the other hand, have a variety of purposes and may be used to cook a variety of appetizing foods. A sandwich griller machine can toast bread, make sandwiches, and warm or brown a variety of goodies that fit within.25A sandwich press is a countertop appliance designed to heat and grill sandwiches, although you can get creative with it and use it to cook and reheat a variety of foods. It generally comes in a 2-slice or 4-slice size and, while on the heavyish side, is still compact and easy to store when not in use.