1 yellow or white cake mix
1/2 c. chunky peanut butter
1 c. water
1/4 c. oil
3 eggs
1/2 c. chocolate chips
1/2 c. peanut butter chips
1/2 c. chopped pecans

Grease and flour 9x13 inch pan. Heat oven to 350 degrees.

In large bowl, combine cake mix, brown sugar and peanut butter at low speed until crumbly. Reserve 1/2 cup mix for topping to remaining mix. Add water, oil and eggs. Beat until well mixed, 2 minutes on high. Fold 1/4 cup chocolate chips and 1/4 cup peanut butter chips. Pour in pan.

In small bowl, combine reserved 1/2 cup peanut butter. Mix chocolate chips, peanut butter chips and peanuts. Sprinkle on batter. Bake at 350 degrees for 30 to 40 minutes.