Obviously a large marshmallow on top of a cookie makes the perfect top hat. Once it's covered in chocolate and adorned with green decor, you have the perfect edible s'mores hat that any leprechaun would be happy to wear. (via The Cake Blog)

Get a box of Lucky Charms, eat said box of Lucky Charms, then cut a hole in the bottom juuuust big enough for the spout of a bag of wine. Place the bag inside the box, stick the spout through, and now you have to slap the bag, St. Patrick’s Day edition.