Heat oven to 350 degrees F. Stir cake mix, eggs, oil and peanut butter in large bowl until batter forms. Stir in chopped peanuts and peanut butter chips.
Using heaping tablespoon of batter, roll cookie dough into 1-12- to 2-inch balls. Dip half of each cookie in sugar, then place sugar side up on ungreased baking sheets.
Bake in 350 degree F oven 15 minutes, until cracked and lightly browned. Let cool 3 minutes on pan on wire rack. Transfer to rack to cool completely. Serve or store in airtight container up to 1 week. Makes 2 to 3 dozen.
