When you make a stew that is "nasty", "inedible", or in some other way detrimental to your villagers, it'd be nice if there was a way to chuck it out or maybe turn it into compost for farming purposes. As of VV2, it just sits there giving off an icky green gas or making people sick.
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No trees were harmed in the posting of this message, but a significant number of electrons were mildly inconvenienced.