I'd have fun with it. Say if you fill the mouth of a dead person with it they come back to life for one day. Or maybe rats and vermin that eat it become zombie vermin when they die...
That is hilarious! My players did the exact same thing a few sessions ago. They gave Naizelasa the cheese to bribe her into helping them fight in adventure 11. I just thought "I mean of course she'd be intrigued by this thing, let's do it."