Spaghetti in Consommé and Parmesan Cheese
Cooking and serving consommés A consommé is made by adding a mixture of ground meats, together with mirepoix (a combination of carrots, celery, and onions), tomatoes, and egg whites into either bouillon or stock . The key to making a high quality consommé is simmering; the act of simmering, combined with frequent stirring, brings impurities to the surface of the liquid, which are further drawn out due to the presence of acid from the tomatoes. Eventually, the solids begin to congeal at the surface of the liquid, forming a 'raft', which is caused by the proteins (including albumins, mucoproteins, and globulins) in the egg whites. Once the 'raft' begins to form, the heat is reduced, and the consommé is simmered at a lower heat until it reaches the desired flavor, which usually takes anywhere from 45 minutes to over an hour. The resulting concoction is a clear liquid that has either a rich amber colour (for beef or veal consommé) or a very pale yell...