It is often assumed that sausages were invented by the Sumerians in what is Iraq today, around 3000 BC. Chinese sausage làcháng (臘腸/腊肠), which consisted of goat and lamb meat, was first mentioned in 589 BC. The Greek poet Homer mentioned a kind of blood sausage in the Odyssey (book 20, verse 25), and Epicharmus (ca. 550 BC - ca. 460 BC) wrote a comedy titled The Sausage. Evidence suggests that sausages were already popular both among the ancient Greeks and Romans.
During the reign of the Roman emperor Nero, sausages were associated with the Lupercalia festival. The early Catholic Church outlawed the Lupercalia Festival and made eating sausage a sin. For this reason, the Roman emperor Constantine banned the eating of sausages. Early in the 10th century, the Byzantine emperor Leo VI outlawed the production of blood sausages following cases of food poisoning.
Traditionally, sausage casings were made of the intestines of animals. Today, however, natural casings are often replaced by collagen, cellulose or even plastic casings, especially in the case of industrially manufactured sausages. Additionally, luncheon meat (such as SPAM) and sausage meat are now available without casings in tins and jars.
The basic sausage is that of Pork, Rusk and a herb (Sage is the most common), filled into a casing such as hog intestine. The meat content is dependent upon the maker but English Food Law states it must be at least 75% meat content.
The word sausage is derived from Old French saussiche, from the Latin word salsus, meaning salted. The word botulism is derived from the Latin word for sausage, botulus.
Other countries, however, use different systems of classification. Germany, for instance, which boasts more than 1200 types of sausage, distinguishes raw, cooked and pre-cooked sausages.
The US has a particular type called Pickled sausages, commonly found in gas stations and small roadside delicatessens. These are usually smoked and/or cooked (boiled) sausages of a highly processed frankfurter (hot dog) or kielbasa style plunged into a boiling brine of vinegar, salt, spices (red pepper, paprika...) and often a pink coloring, then jarred. They are available in single blister packs i.e. Slim Jim meat snacks, or in jars atop the deli cooler. They are shelf stable, and are a frequently offered alternative to beef jerky, beef stick, and kippered beef snacks.
Certain countries classify sausage types according to the region in which the sausage was traditionally produced:
Every nation and every region has its characteristic sausages, using meats and other ingredients native to the region and employed in traditional dishes. English and Scottish sausages, or bangers (so named for their tendency to explode during cooking if poorly made), for example, normally have a significant amount of rusk, or bread crumbs, and are less meaty than sausages from other countries, although sausages with high meat content can be found. Bangers are also used to make toad in the hole. They are an essential part of a full English breakfast, and are usually offered with an Irish breakfast. According to Sausagefans.com, in Britain alone there are over 470 different types of sausages. The British sausage was once the butt of a joke on Yes, Minister, where it was to be renamed by European Union directive on all labels as the "Emulsified High-Fat Offal Tube".
Sausages can also be modified to use native ingredients. The Mexicans added oregano and the "guajillo" red pepper to the Spanish chorizo to give it an even hotter spicy touch.
Sausages may be served as hors d'oeuvre, in a sandwich, in a bread roll as a hot dog, wrapped in a tortilla, or as an ingredient in dishes such as stews and casseroles. Sausage without casing is called sausage meat and can be fried or used as stuffing for poultry, or for wrapping foods like Scotch eggs. Similarly, sausage meat encased in puff pastry is called a sausage roll.
In Turkey sausage is known as sosis which is made of beef.
It is worth mentioning that there are currently organisations in a number of UK counties such as Lincolnshire who are seeking European protected status on their sausages so that, rather like Champagne, they can only be made in the appropriate county. So in the future it may be illegal to call a Lincolnshire sausage a Lincolnshire sausage if it is not made in Lincolnshire.
Vegetarian and vegan sausages are also available in some countries, or can be made from scratch. These may be made from tofu, seitan, nuts, pulses, soya protein, vegetables or any combination of similar ingredients that will hold together during cooking. These sausages, like most meat-replacement products, generally fall into two camps: some are shaped, colored, flavored, etc to replicate the taste and texture of meat as accurately as possible; others rely on spices and vegetables to lend their natural flavour to the product and no attempt is made to imitate meat.
Note: In England, Saveloy is the snack referring to the sausage while in Hong Kong the Cervelat Sausage is a snack on its own, too (evenly machine-roasted). Both are bigger than general hot-dog sausages.
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