Line a baking dish with parchment paper.
Using a small sauce pot (or a microwave if you prefer), melt peanut butter over low heat while stirring.
In a medium sized bowl, combine puffed cereal and peanut butter.
In the parchment lined baking dish, pack puffed cereal until bottom of dish is covered.
Refrigerate until completely cooled.
Remove and cut into small squares. These treats should keep in the fridge up to a week.
