A Recipe To Save the World - A KFC ad(venture)

My brother and I saw the " A Recipe for seduction" KFC ad and he bet I could do better so here.
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Climate change, wars, slippers with socks - Members of the Intergalactic Council of Kind Friendly Conquerers (ICKFC) have seen enough.
So the council is searching the earth and making a list to decide: Should humanity be aided or replaced by a new species that would do a much better job.
Now a pair of KFC employees, a brother, a grumpy neighbour and his engineer (not) boyfriend must work together to steal the secret recipe and make the perfect family bucket. But will it be finger-liking-good enough to stall the invasion?
With one life left, we can only taste and see!