Place popcorn in large bowl with plenty of room for mixing. Cover a baking sheet with parchment paper.
Place chocolate in small bowl and melt in 30 second increments until completely melted. Stir between rounds.
Pour melted chocolate over popcorn and give a quick stir to lightly coat popcorn.
Add in Nerds and keep stirring popcorn until thoroughly coated.
Spread chocolate popcorn on covered baking sheet as well as possible. Refrigerate 15-30 minutes, or until chocolate has solidified.
Break up large chunks of popcorn and place in storage container or serving bowl. Enjoy.
You can be very approximate with measurements in this recipe. It's very flexible.