After folding, the long and wide edges can overlap to form an edge as the standard.
Pinch the sides together, it will be a little higher.
Fold in the higher part and the sandwich wrapping paper will be folded.
Sandwich is a typical western food, which is made of two pieces of bread with a few pieces of meat and various seasonings such as cheese and condensed milk. It is easy to eat and widely popular in western countries.
In all western recipes, any kind of bread or rolls, any kind of food that is convenient to eat, can be made into sandwiches. In the United States, the "hot sandwich" with buns and beef is the most common nutritious fast food; Sandwiches with peanut butter and jelly are the main food for primary school students; "Nightclub Sandwich" with sliced chicken or turkey, bacon, lettuce and tomato, and "Laoben Sandwich" with pickled beef, Swiss buttermilk and kimchi baked on black bread with Russian topping are more expensive and mainly sold in high-end restaurants and dance halls. In Britain, sandwiches with fish sauce, cucumber, water celery and tomatoes in thin slices are specially used for drinking tea. In Scandinavian countries in northern Europe, sandwiches have no top layer, but are covered with exquisite fish, sliced meat and salad.