Birthday Cake Bars {Cake Batter Cookie Bars}

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Last Updated on August 3, 2020 by Deanna Samaan

Birthday Cake Bars are also known as cake batter cookie bars. This easy dessert recipe is simple blondies that made with cake! Then decorated with frosting and sprinkles, these cake batter dessert is a celebration anytime!


Birthday Cake Bars title



Cake Batter

I admit it, I love cake batter. I can make a cake and I am licking the bowl of the cake batter. Cake batter ice cream, I am buying it, I love cake batter plain and simple.



Birthday Cake Bars 3


Birthday Cake Celebration

No, it isn’t my birthday. I do feel like celebrating and a birthday cake celebration is perfect, don’t you think? Why do I feel like celebrating?


Change, I am making changes finally in my life. I went on vacation and was in Florida seeing the Persian man I adore. When I got back, I knew it is time for a change.


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I took the scary first step, I applied for jobs in Florida, and now I wait and see if one gets offered to me. The cake celebration is because I finally took that first step.



Cake Batter Cookie Bars

Yes, I know, filling out applications really should not be a whole birthday cake celebration. However, an old Betty Crocker Cake Batter Cookie Bars recipe is worth making for this small victory. This cake batter cookie bars recipe is simple and perfect.



Birthday cake bars pin


Birthday Cake Bars

Birthday cake bars have several names: Funfetti Gooey Cake Bars, Cake Batter Blondies, and Funfetti Bars. They are all great recipes. However, this birthday cake bars recipe from Betty Crocker actually combines sugar cookies with cake mix.



Birthday Cake Bars 2


Cookies and Cake

Using sugar cookie mix and cake mix together is what gives this cake batter bars its wonderful taste. Then add some homemade vanilla frosting with colorful sprinkles and it is a birthday cake celebration. These colorful blondies are for everyone.



Birthday Cake Bars


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Birthday Cake Bars
Yield: 24 servings

Birthday Cake Bars Recipe

Prep Time: 20 minutes
Cook Time: 45 minutes
Total Time: 1 hour 5 minutes

Birthday Cake Bars are also known as cake batter cookie bars. This easy dessert recipe is simple blondies that made with cake! Then decorated with frosting and sprinkles, these cake batter dessert is a celebration anytime!


  • 1 pouch (1 lb 1.5 oz)  sugar cookie mix
  • 1 box  white cake mix
  • 1 cup butter, melted and slightly cooled
  • 3 eggs
  • 1 teaspoon vanilla
  • 3 tablespoons rainbow sprinkles
  • 1 cup butter, softened
  • 3 cups powdered sugar
  • 3 tablespoons milk
  • 2 teaspoon vanilla
  • rainbow sprinkles



  1. Heat oven to 350°F. Grease bottom of 13x9-inch pan with shortening or cooking spray.
  2. In a large bowl, beat sugar cookie mix, cake mix, melted butter, eggs and 1 teaspoon vanilla with electric mixer on low speed 30 seconds.
  3. Then beat on medium speed about 1 minute.
  4. Stir in 3 tablespoons rainbow sprinkles.
  5. Spread in pan.
  6. Bake 32 to 34 minutes or until golden brown.
  7. Cool completely, about 1 1/2 hours.


  1. In a large bowl, beat 1 cup softened butter, the powdered sugar, 2 tablespoons milk and 1 teaspoon vanilla until combined.
  2. Add additional milk 1 teaspoon at a time, until spreading consistency.
  3. Spread over cooled bars.
  4. Sprinkle with assorted candy sprinkles.
  5. Cut into bars.
  6. Serve them up and ENJOY!


Interesting note: Sprinkles are called Jimmies in Pittsburgh! So it took a lot for me not to write rainbow jimmies. There is some Pittsburghese for you!

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Nutrition Information:



Serving Size:


Amount Per Serving: Calories: 229Total Fat: 17gSaturated Fat: 10gTrans Fat: 1gUnsaturated Fat: 6gCholesterol: 65mgSodium: 149mgCarbohydrates: 18gFiber: 0gSugar: 16gProtein: 1g

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Deanna Samaan
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  • Dan from Platter Talk
    June 17, 2018

    We have a family birthday coming up next week and I know the boys will love putting these together; what a great alternative to a traditional birthday cake! Thanks for sharing this one!!!

  • michele
    June 17, 2018

    Congrats Deanna! You deserve to be happy! Im glad you took the first step! I love the addition of what we call in Nebraska… Spritzles instead of Jimmies!

  • Angela
    June 18, 2018

    What a fun treat for kids and adults alike! I love anything with sprinkles so count me in for a double batch

  • Michaela Kenkel
    June 18, 2018

    Made these for my daughters birthday and the girls went crazy for them. Perfect combination and so fun with all of the sprinkles!

  • Debra C.
    June 18, 2018

    These bars look might tasty! What a wonderful sweet treat!

  • Ashlyn
    June 18, 2018

    I totally want to devour these for my birthday or basically everyday, ha! I love anything cake batter flavored!