Introduction: Simply Devious April Fool's Day
For this prank it helps to have a reputation for April Fool's Day shenanigans.
Bake something tasty and put it out for all to enjoy on April 1st next to a sign wishing all a "Happy April Fool's Day".
Depending on if your friends get the joke or not, they may enjoy your efforts in the secure knowledge that it is safe or shy away in fear.
We have a be nice policy.
Please be positive and constructive.