German cuisine sometimes in the preparation of sausages, but are otherwise rare in German meals. Other herbs and spices, such as basil, sage, oregano, and hot chili peppers, have become popular since the early 80´s. Fresh dill is very common in a green salad or fish fillet. Mustard ("Senf") is a very common accompaniment to sausages and can vary in strength, the most common version being "Mittelscharf" (medium hot), which is somewhere between traditional English and French mustards in strength. Düsseldorf, similar to French's Deli Mustard with a taste that is very different from Dijon, and the surrounding area are known for
Smoke ring (cooking) fuel source and that source's production of NO2. The highest concentrations of atmospheric NO2 can be achieved in a smoker through the utilization of charcoal briquets, or wood fires; both of which are capable of producing up to 200ppm (parts per million) NO2 in the cooking chamber. It has been suggested that greener woods produce more NO2, but are less suitable for cooking. Cooking "low and slow" is said to be key in the development of a smoke ring. This methodology, often cooking at temperatures under 225 degrees F for long periods of time, allows smoke to penetrate the meat