Cake ball truffles (or cake pops if they're on a stick) are the ultimate way to use up leftovers. Recently I had some left over red velvet cupcakes and some left over cream cheese icing, I mixed the two together, to form my cake truffle mixture. When mixing the two together, visually you are looking for a mixture that looks like "wet sand"
No matter what you choose to roll them in, they look great. They can even be chocolate dipped. On my cake truffles, I've used Kiwicakes own brand non pareils & jimmies (Kiwicakes brand are lovely to eat, they're not super crunchy when used in this way), and tiny heart sprinkles.
I've used these Wilton mini candy cane cupcake papers just in time for Christmas, but you could use any mini cupcake paper you have.
Next time you have a few left over cupcakes or some cake levellings, why not start a container in your freezer for your next batch of cake truffles, cake flavours can even be mixed together if you keep adding leftovers over a few months (use within 3-6 months of freezing). With cake truffles there are no rules, add chocolate chips, nuts, dried fruit or anything else you may fancy to your mixture. You are only limited by your imagination