There’s something weirdly satisfying about watching royal icing flow across a cookie like shiny sugar lava — right before it dries into a flawless, bakery-level finish. This simple royal icing recipe ...

Instructions: Scoop some black icing into a bag and use a No. 2 tip to outline the cats in black. Reserve some black icing in the bag for piping details. Thin the remaining black icing for flooding.