[header] How to improve boxed cake mix [title] Throw in some candy. [step] Box cakes are very often simple vanilla or chocolate cakes with a simple topping. Th easiest way to spiff up such a boring cake is to throw some candy into the batter before you bake it. 
By dropping some candy into the batter, you'll transform your cake into a unique surprise for the whole family. [substeps] Add popular chocolate candies to your batter.