Peanut butter choclate chip brownies

1. Stir together cake mix and chocolate chips.
In a separate bowl, beat eggs and then add to the mixture.
Next, add water and peanut butter; mix well.
Put mixture in a greased an floured pan, approximately 9 x 11 inches.
Bake at 325 degrees for 25 minutes.
Do not overbeat!
Let brownies cool for a half hour, then cut.