Halloween Boo Ghosts Brownies by Robin 1 Easy your choice brownie mix 1 Big bag of marshmellows 1 tube of black ready to use cake icing gel in tube 1 can of white fluffy ready to use cake icing / frosting *Let brownies cool before decorating. Just place a large marshmallow on top of any good brownie, and then cover it with melted frosting.... place in the frig right afterwards so the frosting will harden. They were sooooooooo yummy!! And don't forget, so easy and fun! Enjoy and Happy Halloween! By Robin