Science in the Kitchen / A Scientific Treatise On Food Substances and Their Dietetic Properties, Together with a Practical Explanation of the Principles of Healthful Cookery, and a Large Number of Original, Palatable, and Wholesome Recipes

by E. E. Kellogg

THE OAT, OR AVENA.

Description.—The native country of the plant from which our common varieties of the oat are derived, is unknown. Oat grains have been found among the remains of the lake-dwellers in Switzerland, and it is probable that this plant was cultivated by the prehistoric inhabitants of Central Europe.

The ancient Greeks and Romans used oats, ranking them next in value to barley, which they esteemed above all other cereals. Although principally grown as food for horses, the oat, when divested of its husk and broken by a process of milling, is an exceedingly nutritious and valuable article of diet for human beings; and there is no article of food that has increased in general favor more rapidly in the last few years than this grain.

The Scotch have long been famed for their large consumption of oatmeal. It forms the staple article of diet for the peasantry, to which fact is generally attributed the fine physique and uniform health for which they, as a race, are particularly noted. It is related that Dr. Johnson, of dictionary fame, who never lost an opportunity to disparage the Scotch, on one occasion defined oats as, "In Scotland, food for men; in England, food for horses." He was well answered by an indignant Scotchman who replied, "Yes; and where can you find such fine men as in Scotland, or such horses as in England?"

Oatmeal justly ranks high as an alimentary substance. It contains about the same proportion of nitrogenous elements as wheat, and with the exception of maize, is richer in fatty matter than any other of the cultivated cereals. In general structure the oat resembles wheat.

To prepare oats for food, the husk, which is wholly indigestible in character, must be thoroughly removed. To accomplish this, the grain is first kiln-dried to loosen the husk, and afterward submitted to a process of milling. Denuded of its integument, the nutritive part of the grain is termed groats; broken into finer particles, it constitutes what is known as oatmeal; rolled oats, or avena, is prepared by a process which crushes the kernels. Oatmeal varies also in degrees of trituration, some kinds being ground much finer than others. The more finely-ground products are sometimes adulterated with barley meal, which is cheaper than oatmeal and less nutritious. The black specks which are sometimes found in oatmeal are particles of black oats which have been ground in connection with the other.

Oatmeal lacks the tenacity of wheaten flour, and cannot, without the addition of some other flour, be made into light bread. It is, however, largely consumed by the inhabitants of Scotland and the north of England, in the form of oatcakes. The oatmeal is mixed with water, kneaded thoroughly, then rolled into very thin cakes, and baked on an iron plate or griddle suspended over a fire. So much, however, depends upon the kneading, that it is said that the common inquiry before the engagement of a domestic servant in Scotland, is whether or not she is a good kneader of oatcakes.

The most common use of oatmeal in this country is in the form of mush or porridge. For this the coarser grades of meal are preferable. For people in health, there is no more wholesome article of diet than oatmeal cooked in this way and eaten with milk. For growing children, it is one of the best of foods, containing, as it does, a large proportion of bone and muscle-forming material, while to almost all persons who have become accustomed to its use, it is extremely palatable. The time required for its digestion is somewhat longer than that of wheaten meal prepared in the same manner. It is apt to disagree with certain classes of dyspeptics, having a tendency to produce acidity, though it is serviceable as an article of diet in some forms of indigestion. The manner of its preparation for the table has very much to do with its wholesomeness. Indeed, many objectionable dishes are prepared from it. One of these, called brose, much used in Scotland, is made by simply stirring oatmeal into some hot liquid, as beef broth, or the water in which a vegetable has been boiled. The result is a coarse, pasty mass of almost raw oatmeal, an extremely indigestible compound, the use of which causes water brash. A preparation called sowens, or flummery, made by macerating the husks of the oats in water from twenty-four to thirty-six hours, until the mixture ferments, then boiling down to the consistency of gruel, is a popular article of food among the Scotch and Welsh peasantry. When boiled down still more, so it will form a firm jelly when cold, the preparation is called budrum.

Preparation and Cooking.—Oatmeal requires much cooking in order to break its starch cells; and the coarser the meal, the longer it should be allowed to cook. A common fault in the use of oatmeal is that it is served in an underdone state, which makes a coarse, indigestible dish of what, with more lengthy preparation, would be an agreeable and nutritious food. Like most of the grains, it is best put into boiling soft water, and allowed to cook continuously and slowly. It is greatly injured by stirring, and it is therefore preferably cooked in a double boiler or closed steamer. If it is necessary to use an ordinary kettle, place it on some part of the range where the contents will only simmer; or a hot brick may be placed under it to keep it from cooking too fast. It may be cooked the day previous, and warmed for use the same as other grains.