High Quality Content by WIKIPEDIA articles! A sandwich is a food item consisting of two or more slices of bread with one or more fillings between them, or one slice of bread with a topping or toppings, commonly called an open sandwich. Sandwiches are a widely popular type of food, typically taken to work or school, or picnics to be eaten as part of a packed lunch. They generally contain a combination of salad vegetables, meat, cheese, and a variety of sauces. The bread can be used as is, or it can be coated with butter, oil, mustard or other condiments to enhance flavor and texture. They are widely sold in restaurants and cafes.