- 1 (18.25 ounce) package yellow cake mix
- 1 cup peanut butter
- 1/2 cup packed brown sugar
- 1 cup water
- 3 eggs
- 1/4 cup vegetable oil
- 1 cup chopped peanuts
- 3/4 cup semisweet chocolate chips
- 3/4 cup peanut butter chips
- Preheat oven to 350 degrees F (175 degrees C). Grease and flour one 13×9 inch pan.
- In a mixing bowl beat cake mix, peanut butter, and brown sugar on low speed until crumbly. Set aside 1/2 cup of mixture. To the remainder add water, eggs, and oil, and beat on high for 2 minutes. Stir in 1/4 cup each of the chocolate chips and the peanut butter chips. Pour into prepared pan.
- Combine peanuts, remainder of dough mix, and rest of the chips; sprinkle over batter.
- Bake at 350 degrees F (175 degrees C) for 30 to 40 minutes. Cool completely.