How to transform a grocery store cake when you're in a pinch or on a budget STEP 1: Remove the colorful frosting when frozen. This keeps all the colors from spreading. As the frosting thaws, you can smooth it all out. Or ask the bakery for extra buttercream and they'll sometimes give you extra! STEP 2: Garnish with anything that matches your party theme. I'm using edible butterflies from AMAZON Definitely give this DIY cake a try for your next birthday party, Halloween party OR Holiday party! diycake diyparty halloweenparty halloweentreats LTKHome LTKParties LTKSeasonal