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The principal ways of cooking are boiling, broiling, stewing, roasting, baking, frying, sautéing, braising, and fricasseeing.

Boiling is cooking in boiling water. Solid food so cooked is called boiled food, though literally this expression is incorrect. Examples: boiled eggs, potatoes, mutton, etc.

Water boils at 212° F. (sea level), and simmers at 185° F. Slowly boiling water has the same temperature as rapidly boiling water, consequently is able to do the same work,—a fact often forgotten by the cook, who is too apt “to wood” the fire that water may boil vigorously.

Watery vapor and steam pass off from boiling water. Steam is invisible; watery vapor is visible, and is often miscalled steam. Cooking utensils commonly used admit the escape of watery vapor and steam; thereby much heat is lost if food is cooked in rapidly boiling water.

Water is boiled for two purposes: first, cooking of itself to destroy organic impurities; second, for cooking foods. Boiling water toughens and hardens albumen in eggs; toughens fibrin and dissolves tissues in meat; bursts starch-grains and softens cellulose in cereals and vegetables. Milk should never be allowed to boil. At boiling temperature (214° F.) the casein is slightly hardened, and the fat is rendered more difficult of digestion. Milk heated over boiling water, as in a double boiler, is called scalded milk, and reaches a temperature of 196° F. When foods are cooked over hot water the process is called steaming.

Stewing is cooking in a small amount of hot water for a long time at low temperature; it is the most economical way of cooking meats, as all nutriment is retained, and the ordinary way of cooking cheaper cuts. Thus fibre and connective tissues are softened, and the whole is made tender and palatable.

Broiling is cooking over or in front of a clear fire. The food to be cooked is usually placed in a greased broiler or on a gridiron held near the coals, turned often at first to sear the outside,—thus preventing escape of inner juices,—afterwards turned occasionally. Tender meats and fish may be cooked in this way. The flavor obtained by broiling is particularly fine; there is, however, a greater loss of weight in this than in any other way of cooking, as the food thus cooked is exposed to free circulation of air. When coal is not used, or a fire is not in condition for broiling, a plan for pan broiling has been adopted. This is done by placing food to be cooked in a hissing hot frying-pan, turning often as in broiling.

Roasting is cooking before a clear fire, with a reflector to concentrate the heat. Heat is applied in the same way as for broiling, the difference being that the meat for roasting is placed on a spit and allowed to revolve, thicker pieces alway being employed. Tin-kitchens are now but seldom used. Meats cooked in a range oven, though really baked, are said to be roasted. Meats so cooked are pleasing to the sight and agreeable to the palate, although, according to Edward Atkinson, not so easily digested as when cooked at a lower temperature in the Aladdin oven.

Baking is cooking in a range oven.

Frying is cooking by means of immersion in deep fat raised to a temperature of 350° to 400° F. For frying purposes olive oil, lard, beef drippings, cottolene, coto suet, and cocoanut butter are used. A combination of two-thirds lard and one-third beef suet (tried out and clarified) is better than lard alone. Cottolene, coto suet, and cocoanut butter are economical, inasmuch as they may be heated to a high temperature without discoloring, therefore may be used for a larger number of fryings. Cod fat obtained from beef is often used by chefs for frying.

Great care should be taken in frying that fat is of the right temperature; otherwise food so cooked will absorb fat.

Nearly all foods which do not contain eggs are dipped in flour or crumbs, egg, and crumbs, before frying. The intense heat of fat hardens the albumen, thus forming a coating which prevents food from “soaking fat.”

When meat or fish is to be fried, it should be kept in a warm room for some time previous to cooking, and wiped as dry as possible. If cold, it decreases the temperature of the fat to such extent that a coating is not formed quickly enough to prevent fat from penetrating the food. The ebullition of fat is due to water found in food to be cooked.

Great care must be taken that too much is not put into the fat at one time, not only because it lowers the temperature of the fat, but because it causes it to bubble and go over the sides of the kettle. It is not fat that boils, but water which fat has received from food.

All fried food on removal from fat should be drained on brown paper.

Rules for Testing Fat for Frying. 1. When the fat begins to smoke, drop in an inch cube of bread from soft part of loaf, and if in forty seconds it is golden brown, the fat is then of right temperature for frying any cooked mixture.

2. Use same test for uncooked mixtures, allowing one minute for bread to brown.

Many kinds of food may be fried in the same fat; new fat should be used for batter and dough mixtures, potatoes, and fishballs; after these, fish, meat, and croquettes. Fat should be frequently clarified.

To Clarify Fat. Melt fat, add raw potato cut in quarter-inch slices, and allow fat to heat gradually; when fat ceases to bubble and potatoes are well browned, strain through double cheese-cloth, placed over wire strainer, into a pan. The potato absorbs any odors or gases, and collects to itself some of the sediment, remainder settling to bottom of kettle.

When small amount of fat is to be clarified, add to cold fat boiling water, stir vigorously, and set aside to cool; the fat will form a cake on top, which may be easily removed; on bottom of the cake will be found sediment, which may be readily scraped off with a knife.

Remnants of fat, either cooked or uncooked, should be saved and tried out, and when necessary clarified.

Fat from beef, poultry, chicken, and pork, may be used for shortening or frying purposes; fat from mutton and smoked meats may be used for making hard and soft soap; fat removed from soup stock, the water in which corned beef has been cooked, and drippings from roast beef, may be tried out, clarified, and used for shortening or frying purposes.

To Try out Fat. Cut in small pieces and melt in top of a double boiler; in this way it will require less watching than if placed in kettle on the back of range. Leaf lard is tried out in the same way; in cutting the leaf, remove membrane. After straining lard, that which remains may be salted, pressed, and eaten as a relish, and is called scraps.

Sautéing is frying in a small quantity of fat. Food so cooked is much more difficult of digestion than when fried in deep fat; it is impossible to cook in this way without the food absorbing fat. A frying-pan or griddle is used; the food is cooked on one side, then turned, and cooked on the other.

Braising is stewing and baking (meat). Meat to be braised is frequently first sautéd to prevent escape of much juice in the gravy. The meat is placed in a pan with a small quantity of stock or water, vegetables (carrot, turnip, celery, and onion) cut in pieces, salt, pepper, and sweet herbs. The pan should have a tight-fitting cover. Meat so prepared should be cooked in an oven at low uniform temperature for a long time. This is an economical way of cooking, and the only way besides stewing or boiling of making a large piece of tough meat palatable and digestible.

Fricasseeing is sautéing and serving with a sauce. Tender meat is fricasseed without previous cooking; less tender meat requires cooking in hot water before fricasseeing. Although veal is obtained from a young creature, it requires long cooking; it is usually sautéd, and then cooked in a sauce at low temperature for a long time.