Peanut Butter Crunch Cake

Peanut Butter Crunch Cake 1 (18 1/4 ounce) package yellow cake mix 1 cup peanut butter 1/2 cup brown sugar 1 cup water 3 eggs 1/4 cup vegetable oil 3/4 cup semi-sweet chocolate chips, divided 3/4 cup peanut butter chips, divided 1/2 cup chopped peanuts Add cake mix, peanut butter, and brown sugar to a mixing bowl. Beat on low speed until crumbly. Set aside 1/2 cup crumb mixture. Add water, eggs, and oil to remaining crumb mixture; beat on low speed until moistened. Beat on high speed for 2 minutes. Add in 1/4 cup each of the chocolate chips and peanut butter chips; stir to combine. Pour batter into a greased 13 x 9 inch baking dish. Mix together the peanuts, reserved crumb mixture, and remaining chips; sprinkle evenly over the batter. Bake at 350 degrees for 40-45 minutes or until a pick comes out clean. Cool completely.