A. G. Payne, Cassell's Vegetarian Cookery: A Manual of Cheap and Wholesome Diet
“ Vegetarians are divided into two classes: those who use the animal products—butter, milk, cream, and eggs—and those who do not. This latter class contains, probably, the most respected members of the vegetarian body, as it will always be found that there is an involuntary homage paid by all men to consistency. How then are strict vegetarians to make pastry, butter being classed with the forbidden fruit? We fear we cannot tell them how to make good puff paste; but “Necessity is the mother of invention,” and naturally olive oil must supply the place of butter. ”
