The great thing about American-style sausages is that they go well with almost any type of morning meal as a side dish. For the most part, the top Breakfast Sausages Brands use pork in their products. However, additional protein sources including turkey, beef, and chicken are also used to make these sausages. Breakfast sausages are produced with fresh pork in much of America. There are occasions when they contain both ground beef and pork. Additionally, there is ground pork and turkey.