If you loves Reese's candy, these are for you.
You will need:
Chocolate cake of your choice
Creamy peanut butter
Mix cake as directed. In a bowl put several spoons of peanut butter. Place in microwave for 20 seconds at a time until very soft. Fill baking cups with cake mix. Put peanut butter into a piping bag, cut tip and squirt small amounts of peanut butter in each cupcake. Bake as directed. Cool cupcakes completely. Frost and drizzle some peanut butter on top of frosting.