Actually, it stains the Tupperware, and it just plain doesn't go over real well, as the wife has declared the bowl unusable.
Heh. That means it's mine now, of course. But at a price.
I got "the look". And admittedly, I deserved it.
Apparently, there is a difference between "Tupperware" brand bowls, and generic plastic bowls.
Who knew?
Good thing she's understanding.