Onion sauce dishes. Onion sauce Onion sauce is a culinary sauce that uses onion as its primary ingredient. Some onion sauces may use several types of onions in their preparation. Some onion sauces are brown in color, while others are white. Many various ingredients may be used in preparations of onion sauce, such as cream, milk, butter, chicken broth, wine, port wine, beer, lemon juice, flour, salt, pepper, cayenne pepper, nutmeg, dry mustard, sage and other herbs, mushroom ketchup, bread crumbs, bacon and others. Preparation generally involves slicing or dicing and then cooking the onions, adding additional ingredients, and then continuing to
Genovese sauce nor with Salsa Genovese, a red wine and vegetable condiment for fish, nor with the "sauce génevoise" from Lake Geneva, again served with fish. Genovese sauce is prepared by sautéing either beef, veal or pork in a large number of onions, for at least two but as many as ten hours. The onions are typically accompanied by minced carrots and celery in what is sometimes known as a "mirepoix," and the sauce may be additionally seasoned using garlic, marjoram, and either bacon, prosciutto or lard. The slow cooking of the onions is especially important for the sauce's flavor, and is