Cake Mix Peanut Butter Bars

Cake mix and peanut butter bars are the perfect combination! And it is so easy to make! But beware….. once you start eating these there is no stopping! I almost ate half the pan by myself!

Serves: 24

Cake Mix Peanut Butter Bars

10 minPrep Time

25 minCook Time

35 minTotal Time

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  • 1 cup of Peanut Butter
  • 1/2 cup water
  • 1 large egg
  • 15.25 ounces Yellow Cake Mix
  • For the frosting:
  • 1 stick margarine (1/2 c.), softened
  • 1/4 cup milk
  • 1-2 tsp vanilla (depending on your taste)
  • 3 tablespoons of cocoa
  • 2-3 cups of powdered sugar


  1. Heat the oven to 350°F.
  2. Spray a 13 X 9-inch pan with no-stick cooking spray.
  3. In a medium bowl combine 1 cup of peanut butter, water and egg in large bowl, stirring until smooth. Stir in cake mix until blended well. Spread into prepared pan.
  4. BAKE 20 to 25 minutes or until puffed and light golden brown. Cool completely.
  5. Mix all ingredients with a hand mixer until smooth. Add more powdered sugar or milk until you reach desired consistency and spread on top of bars.



98 cal


4 g


13 g


5 g
Click Here For Full Nutrition, Exchanges, and My Plate Info

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