Cake Batter Blondies

So these have been all the rage across Pinterest (my latest obsession and inspiration). So I went to the website that lit up Pinterest: Six Sisters’ Stuff (their inspiration was Girl Meets Life). This recipe looked so easy and sounded so delicious I had to try it at the soonest available opportunity.


Which turned out to be the next day for a work party. They were fabulous: dense, gooey bites of birthday cake that caused childhood memories to come bubbling up! They were so rich I cut them in smaller squares and had leftovers for a gathering later that night and some to share with my family. My boyfriend would only eat a bite at a time to prevent a “sugar fit.” I like sweet sweets, but if you don’t, they may not be for you. They were a perfect fuss-free way to share cake at any event. No forks or plates needed! I used yellow cake mix beause i like the flavor better than white, but you can simpify and use Funfetti mix instead. I want to do a red velvet version with devil’s food cake next.


Birthday Cake Blondies


  • 1 box yellow cake mix
  • 1 egg
  • 1/4 cup vegetable oil (I used applesauce)
  • 1/3 cup milk
  • 1/2 cup sprinkles (choose your preferred color and shape!)
  • 1/2 cup white chocolate chips


  1. Preheat oven to 450 degrees. 
  2.  Combine first three ingredients in a large bowl.
  3. Add just enough milk to make a thick batter (I used 1/3 cup or less, but if needed  you can add more. Just know that the less milk you use, the more dense and brownie-like the outcome). 
  4. Mix in sprinkles and white chocolate chips.
  5. Spread in a 9×9″ pan (or make a double batch to fill a 9×13″ + a loaf pan – this way you have some for grabby hands in the kitchen).
  6. Bake for 20-25 mins. When you take out of the oven, they will be soft and gooey. Just wait and they will firm up. Or don’t wait and eat a deliciously gooey treat (best served with milk).
  7. I waited until mine cooled and frosted them. They  looked more festive, but they are so sweet they don’t really need it. But, if you want to…



I used a simple buttercream frosting, but had been wanting to try some of the new commercial neon gel food colors. So I mixed the orange and pink together for a festive fall hue. It did a great job of providing concentrated color without changing the composition of the frosting with too much liquid. The only downside is that the colors don’t swirl as well as my typical paste food coloring.



    • 1/4 cup butter, softened (to ice cream like texture).
    • 2 cups powdered sugar, sifted.
    • 1 tsp. almond extract (or vanilla)
    • 1 tsp. salt
    • 2 tbsp.
    • Food coloring to provide desired color.


    1. Beat butter with mixer on medium speed until light yellow.
    2. Beat in powdered sugar on low speed.
    3. Add in extract and salt and increase speed to medium. 
    4. Add in milk to desired texture and at three more minutes.
    5. Add food coloring to taste. Frost and enjoy.

      Sprinkles make everything better!


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