Liverwurst

Adding ingredients like pieces of onion or bacon to the recipe make each variety of liverwurst very important to cultural identity.

For example, the Thüringer Leberwurst (Thuringian liverwurst) has a Protected Geographical Status throughout the EU.

[1] A fourteenth century mention in Latin however uses the term "liverworsted":[2] "Hec fercula dari solent magna sulta, porrum, pulli, farti seu repleti, ferina apri, carnes piperis, XII tybie gesenghet, XII pulli in suffene seu sorbicio, liverworsted gherostet, assaturam, magnas carnes, oblatas et crumbrod."

In some parts of Germany, liverwurst is served sliced on a plate, often with mustard or pickled cucumber.

In Hungary, liverwurst is customarily served on open sandwiches, or with cheese as a filling for pancakes which are baked in the oven.

It is popular in North America with red onion and mustard on rye or whole grain bread.