Follow direction on brownie mix and let them cool completely.

Spread the marshmallow creme on top of the cooled brownies.

In a microwave safe bowl, dump the chocolate chips and peanut butter and melt for around 1 minute in the microwave. Mix until completely melted, and add more time in microwave if needed. Once smooth, pour rice crispy cereal in and stir until cereal is coated. Spread on top of marshmallow creme and smooth it out.

Put in the fridge to harden (around an hour at least). You can also let it sit on counter until it is hardened a bit; around 2-3 hours.

Enjoy!