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Sandwich is a typical Western food. It is made of two pieces of bread sandwiched with several slices of meat and cheese, condensed milk and other condiments. It is easy to eat and is widely popular in Western countries. The history of Sandwich is almost as old as cake, but it doesn't seem to have a specific name at first. There is also a story about the origin of Sandwich.

Sandwich was originally an unknown town in southeastern England. There was an Earl of Sandwich named John Montagu in the town. He was a man who loved playing cards. He was addicted to card games all day long. To the point where I forget about food and sleep. It was difficult for the servant to serve him food, so he put some dishes, eggs and sausages between two pieces of bread and let him eat while playing cards.

Unexpectedly, Montagu was overjoyed when he saw this kind of food, and casually called it "sandwich". When he was hungry, he would shout: "Bring the sandwich!" Other gamblers also followed suit and played cards. I eat sandwich all the time. Soon, sandwich spread throughout the British Isles, to the European continent, and later to the United States.

Today's sandwich is no longer as single in variety as it was in the past. It has developed many new varieties. For example, there are "nightclub sandwiches" with chicken or turkey slices, bacon, lettuce, and tomatoes; there are "Lauben sandwiches" with corned beef, Swiss cheese, pickles, and Russian toppings on brown bread; and there are fish sandwiches. "Tea-only sandwich" with soy sauce, cucumber, water celery, and tomatoes.

In France, bread slices are often no longer used when making sandwich, but bread rolls or dough rolls are used instead. In addition, Sandwich made of French baguette is also called "submarine bag". In all Western recipes, any kind of bread or roll, any easy-to-eat food, can be made into a sandwich. In the United States, "hot sandwiches" with beef on a bun are the most common nutritious fast food; sandwiches with peanut butter and jelly are the main food for elementary school students.

The "nightclub sandwich" with chicken or turkey slices, bacon, lettuce, and tomatoes; the "Law Sandwich" with corned beef, Swiss cheese, pickles, and Russian toppings on brown bread and served hot. "This sandwich" is more expensive and is mainly sold in high-end restaurants and dance halls. In the UK, sandwiches with fish sauce, cucumber, water celery and tomatoes sandwiched between thin slices of dough are reserved for drinking tea. In the Scandinavian countries, sandwiches no longer have a top layer, but are covered with delicate fish, meat slices and salad.