We dealt with this in the Spanish wikipedia sometime ago. We decided that bare recipes would be moved to wikibooks, while recipes that illustrated a typical dish of some region, with additional encyclopedical information about the dish, could stay. We have had not had more troubles with this ever since, and I believe that excluding recipes just because of their POV makes, as somebody said, as much sense as removing photographs because they illustrate the POV of the photographer.
AstroNomer
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