What is rasher of bacon?

A rasher of bacon typically refers to a single slice of bacon. It is usually cut from the belly or back of a pig and is cured with salt and sometimes sugar and/or smoking. Bacon rashers can be cooked in various ways, such as frying, grilling, or baking, and are a popular ingredient in breakfast dishes like a bacon and egg sandwich or a full English breakfast. Depending on the thickness and type of bacon, a single rasher can contain anywhere from 35 to 60 calories and may have varying levels of fat and sodium.