A Wurstbrot is a slice of bread

Bread

Bread is a staple food prepared by cooking a dough of flour and water and often additional ingredients. Doughs are usually baked, but in some cuisines breads are steamed , fried , or baked on an unoiled frying pan . It may be leavened or unleavened...

 spread with thin slices of lunch meat or sausage

Sausage

A sausage is a food usually made from ground meat , mixed with salt, herbs, and other spices, although vegetarian sausages are available. The word sausage is derived from Old French saussiche, from the Latin word salsus, meaning salted.Typically, a sausage is formed in a casing traditionally made...

. Additionally, the bread may be buttered to taste. It is a very simple and typical German type of sandwich

Sandwich

A sandwich is a food item, typically consisting of two or more slices of :bread with one or more fillings between them, or one slice of bread with a topping or toppings, commonly called an open sandwich. Sandwiches are a widely popular type of lunch food, typically taken to work or school, or...

, generally home-made, eaten cold, and popular as a snack, packed lunch

Packed lunch

thumb|A typical American bagged lunchthumb|[[Bento]] packed lunchA packed lunch is a lunch prepared at home and carried to be eaten somewhere else, such as school, a workplace, or at an outing...

 as well as for breakfast or supper. The sausage used for spreading is never a bratwurst

Bratwurst

A bratwurst is a sausage usually composed of veal, pork or beef. The plural in German is Bratwürste....

.

If the sausage is put on a bread roll

Bread roll

A bread roll is a piece of bread, usually small and round and is commonly considered a side dish. Bread rolls are often used in the same way as sandwiches are—cut transversely, with fillings placed between the two halves.-Various forms:...

, it is called Wurstbrötchen. It is commonly sold at bakeries, at the butcher's shop or snack shops and sometimes garnished with sliced pickles, lettuce, tomato or Tartar sauce

Tartar sauce

Tartare sauce is a creamy white sauce frequently used to season fried seafood dishes.-Composition:...

.

Very similar ingredients but with a thick slice of a finely minced baked sausage called Leberkäse

Leberkäse

is a specialty food found in the south of Germany, in Austria and parts of Switzerland, similar to bologna sausage...

 on a roll is called Leberkäsbrötchen, Leberkäswecken or Leberkässemmel. It is usually served hot and sold at snack shops, at the butcher and often at public fairs. Mustard (condiment)

Mustard (condiment)

Mustard is a condiment made from the seeds of a mustard plant...

may be added to taste but no butter.