Preheat oven to 350

1. in mixing bowl, beat the dry cake mix, peanut butter, brown sugar, butter and eggs on medium speed until well-blended and smooth - stir in chocolate chips

2. drop onton ungreased cookie sheets

3. bake for 9-11 minutes - transfer to wire rack to cool

To make cookie bars: spray jelly roll pan with non-stick spray, spread cookie dough evenly in pan, bake about 20 minutes