The present invention relates to a sandwich assembly tool and methods of making a sandwich, which may be a hot or cold sandwich, quickly by pre-assembly of various sandwich components and simultaneous preparation of different parts of the same sandwich. The sandwich assembly tool is composed of a member preferably having one or two cavities for containing a quantity of garnish. The cavities are used for the assembly of the sandwich. The tool may have a raised ridge adjacent one or both cavities for placement against the hinge of a bread component. Methods of making a sandwich are disclosed. The methods may include one or more of the use of preassembled sandwich fillings, assembly of garnishes in advance of a customer's order or while other portions of the sandwich are being heated using the sandwich assembly tool, the simultaneous heating of a bread component and the sandwich filling, placing the bread component over the tool containing garnish, and inverting the tool and bread combination to deposit the sandwich garnish onto the bread component.