Wendy Cope things". Three haiku from "Making Cocoa for Kingsley Amis", where they are presented as being written by the (fictional) Tulse Hill poet Jason Strugnell, were set by the composer Colin Matthews in 1990 as "Strugnell's Haiku". In 2008 Cope's poem "After The Lunch" was used as the lyric of the song "Waterloo Bridge" by jazz composer and musician Jools Holland and singer Louise Marshall. Some of her poems are written in the persona of a struggling male poet, Jason Strugnell, a slightly seedy figure from Tulse Hill. She displays her talent for parody with targets ranging from the sonnets of
Cocoa butter and theobromine. Some food manufacturers substitute less expensive materials such as vegetable oils and fats in place of cocoa butter. Several analytical methods exist for testing for diluted cocoa butter. Adulterated cocoa butter is indicated by its lighter color and its diminished fluorescence upon ultraviolet illumination. Unlike cocoa butter, adulterated fat tends to smear and have a higher non-saponifiable content. Cocoa butter is becoming increasingly costly. Substitutes have been designed to use as alternatives. In the United States, 100% cocoa butter must be used for the product to be called chocolate. The EU requires that alternative fats not exceed 5%