* Prepare Chex in a large air tight bowl
* In a sauce pan melt chocolate over low heat stirring constantly until melted fully.
* Remove from heat and add in peanut butter and peanuts if using
* Pour over Chex and stir to coat evenly.
* Pour in the powdered sugar and add lid and shake to coat every piece evenly.
* Store in fridge in the air tight container you made it in.