A person or machine that dutches cocoa; one who applies the Dutch alkali treatment process to cocoa.
Agent noun from 'Dutch' (the process), with the '-er' suffix meaning one who performs the action. Emerged in the chocolate industry in the 19th-20th centuries.
Dutchers in chocolate factories were specialists in a precise chemical process—their skill determined whether chocolate would be bitter or smooth. Industrial jobs like this shaped modern manufacturing.
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