Peanut Crunch Cake
["1 pkg. cake mix, yellow", "1 c. peanut butter", "1/2 c. brown sugar, packed", "1 c. water", "3 eggs", "1/4 c. vegetable oil", "1/2 to 3/4 c. semi-sweet chocolate chips, divided", "1/2 to 3/4 c. peanut butter chips, divided", "1/2 c. peanuts, chopped"]
["In a mixing bowl, beat cake mix, peanut butter and brown sugar on low speed until crumbly.", "Set aside 1/2 cup.", "Add water, eggs, and oil to remaining crumb mixture; blend on low until moistened.", "Beat on high for 2 minutes.", "Stir in 1/4 cup each chocolate and peanut butter chips.", "Pour into a greased 13x9x2 inch baking pan.", "Combine peanuts, reserved crumb mixture and the remaining chips; sprinkle over batter.", "Bake at 350\u00b0 for 40 - 45 minutes or until a toothpick inserted near the center comes out clean.", "Cool completely.", "Yield:", "12 - 16 servings."]
["cake mix", "peanut butter", "brown sugar", "water", "eggs", "vegetable oil", "semi-sweet chocolate chips", "peanut butter chips", "peanuts"]