This document discusses sandwiches, including their definition and common ingredients used to make them. It describes the most frequently used breads, meats, cheeses, spreads, vegetables and other fillings. The document also outlines different types of cold sandwiches such as open-faced, pinwheel, tea and multi-decker sandwiches. It describes types of hot sandwiches including regular hot sandwiches, open-faced, grilled panini, deep fried and filled varieties.