Woman's Institute of Domestic Arts and Sciences, Woman's Institute Library of Cookery…
“ But in order to make the inexpensive one adequate and the expensive one balanced, the housewife must apply her knowledge of the general composition of food; that is, she must know whether a food predominates in carbohydrate, fat, or protein, and whether or not it furnishes minerals. Equipped with such knowledge, she will be able to purchase the largest amount of nutritive material for the smallest outlay of money. The cheapest food is not always the one that sells for the lowest price per pound, quart, or bushel, but the one that furnishes the most nutritive material at the lowest cost ”
