Simple Cake Pops Recipe | Allrecipes Stir frosting into the crumbled cake until mixture is sticky and starts to come together but is not too smooth. Refrigerate until chilled, for at least 30 minutes. Step 5 Roll cake mixture into eighteen 1 1/2-inch balls and place on a baking sheet. Step 6 Place about 1/4 cup candy melts in a microwave-safe bowl.