List of sandwiches

Sandwiches are a common type of lunch food often eaten as part of a packed lunch. There are many types of sandwiches, made from a diverse variety of ingredients. The sandwich is the namesake of John Montagu, Earl of Sandwich, a British statesman.
Major types of sandwiches include:

Two slices of bread with other ingredients between
Two halves of a baguette or roll with other ingredients between
Hero, hoagie, or submarine sandwich
Open-faced sandwich
Pocket sandwich

Sandwich cookies and ice cream sandwiches are generally not considered sandwiches in the sense of a bread-containing food item, but are named by analogy.