To most people, a dressing of leaf lettuce on a burger or a pizza might look like a crime even if it adds a crunchy texture.

Butterhead lettuce also comes shaped like a ball, but its leaves are looser and less crispy. Romaine lettuce is oblong, with long leaves that have a thick rib or stem. Loose-leaf lettuce is also ...

Sandwiches: Lettuce leaves add crunch and freshness to sandwiches and burgers. Smoothies: Some types of lettuce, like romaine, can be blended into smoothies for added nutrients. Types of Lettuce ...