From Aberdeen Crullas to Zwiebach — the vast Cassell's dictionary with a recipe for everything, each priced to the penny ('Probable cost, 2s.'), plus the whole science of the 1912 kitchen.
Vanilla is a flavouring used to impart an agreeable odour to creams, ices, custards, coffee, etc. It may be bought by weight, but the essence is the form in which it is generally used. Vanilla-scented sugar can also be obtained at most good grocery shops.