[1] In the United States, the predominant flavorings used for seasoning are black pepper and sage.
Scraps and trimmings were ground, seasoned and later consumed by the farmer as an inexpensive, high-protein morning meal.
Newer variations made from pork and beef mixtures as well as poultry (turkey or chicken) can also be found.
There are also vegetarian varieties that use textured vegetable protein (TVP) in place of meat.
[1] Some common US brands include: Wampler's, Bob Evans, Jimmy Dean, Owens Country Sausage, Swaggerty's Farm, Purnell's Old Folks Country Sausage, Tennessee Pride, Johnsonville, Farmland, P.G.