German cuisine widely available, but do not play an important role. Meat is usually braised; fried dishes also exist, but these recipes usually originate from France and Austria. Several cooking methods used to soften tough cuts have evolved into national specialties, including "Sauerbraten" (sour roast), involving marinating beef, horse meat or venison in a vinegar or wine vinegar mixture over several days. A long tradition of sausage-making exists in Germany; more than 1,500 different types of sausage () are made. Most "Wurst" is made with natural casings of pork, sheep or lamb intestines. Among the most popular and most common are "Bratwurst",
German Institute of Food Technologies employment. At the same time, international responsibility needs to be taken on the issues of the global food supply, the biomass-based supply of raw materials and energy, and climate and environmental protection. DIL is continually working to pave the way for bio-based food production. As part of these efforts, natural resources shall be used and new ways of using renewable raw materials are to be developed. This will be made possible through the development of new, bio-based production processes. This objective not only serves to preserve our living space, but also improves product quality and is good for our health.