"Or maybe this was a misguided adult who was trying to give free food away to some kids.” --- Sounds like a perfectly good cake - not much different than trick or treat handouts - Mom should have ate some - then given it to the kids next day - with perhaps some advice about strangers - Packaging looks genuine and the story from Winco and FFLC seems easy to verify by anyone with a cake donor suspicion -  Move on folks  - nothing newsworthy here -