1 yellow cake mix
1/3 cup vegetable oil
2 eggs
1/2 cup peanut butter
1 1/2 cup peanut butter chips or chocolate chips
Heat oven to 350. Mix together cake mix, oil and eggs. Mix in peanut butter. Stir in chips. Lightly spray 9x13-inch pan with cooking spray. Spread mixture into the pan. Bake appx. 24 min, or until golden brown on edges. Let cool 30 min before serving.
Courtesy of Kim Dodds