Onion sauce 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 cook
Bolognese sauce and the sauce may be laid on top of the spaghetti (rather than being mixed in, in the Italian manner) or even served separately from it (leaving diners to mix it in themselves). It is often served with grated parmesan on top, but local cheeses, such as grated cheddar are also often used. The sauce is commonly referred to as "Bolognese sauce" or just "spaghetti sauce", but is actually closer to a Southern or Central Italian style of pasta dish, as true Bolognese sauce is generally served in Italy with tagliatelle ribbons, and not with spaghetti. Although so-called "spaghetti bolognese"