Used other than figuratively or idiomatically: see cook, up.
To manufacture a significant amount of illegal drugs (LSD, meth, etc.)
To prepare a heroin dose by heating.
To prepare (food or chemical substances) by cooking or heating.
To manufacture; to invent (something, often a deceit or falsehood).
To write under the name of another (especially literary works).
To author a literary work or speech in the place of another.