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Cake Batter Brownie Snack Cake

Squares of cake batter brownie snack cake on a yellow cake stand

Ok, so don’t be confused.

This recipe is brownies.

2 different kinds of brownies

Baked together.

BUT when they bake together they kind of form a cake.

It’s weird, I know.

But it happened.

It wasn’t what I was expecting, but then again, most things aren’t.

Anyhow.  Cake Batter Blondies baked with regular Brownies makes cake.

I have no idea how it does it, but it’s kind of magic.

Cake Batter Brownie Snack Cake

Cake Batter Brownie Snack Cake | Cookies and Cups

SO this isn’t really that much of a recipe.

Well, I mean it IS, but it isn’t.

It’s actually more of an assembly process.

Here’s why…

I made the brownies according to the package directions.

Buy the “Family Size” Brownie mix.  The kind you would bake in a 9×13 pan. (I happened to find “Funfetti” Brownie mix, but you don’t have to…it was just a fun option.  The only difference is that it included “rainbow chips” to sprinkle on the brownies.)

Two boxes of Funfetti cake mix

Also, you’ll need a box of Funfetti Cake mix.
I used THIS RECIPE FOR CAKE BATTER BLONDIES using the Funfetti cake mix.

BUT I omitted the white chips and the marshmallows.  Don’t be confused.

Whip that up and spread it into a greased 9×13 pan…

Funfetti cake batter spread in a baking dish

Then make your brownies, according to the package directions…

Pour that on top of the Cake Batter part…

Brownie batter being poured over top of vanilla funfetti cake batter in a baking pan

Then, only if you want, sprinkle the top with rainbow chips, or sprinkles.  Don’t worry about this step too much because you’re going to frost over the top anyway.

Rainbow sprinkles being spread on top of brownie batter in a baking pan

Now they’re ready for the oven.

A glass baking pan of brownie batter with rainbow sprinkles on top

When they’re baked the layers get all swirly, and in some cases flip to brownie on bottom, Funfetti layer on top.

It’s basically a science experiment.

Then, when it’s cooled, you should frost it.

I mean, it IS cake and all.

I used this recipe cut in half.  Or use a can of frosting.  I mean, who are we kidding here?

Then you should definitely add more sprinkles.

Cake Batter Brownie Snack Cake | Cookies and Cups


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Cake Batter Brownie Snack Cake

5 Stars 4 Stars 3 Stars 2 Stars 1 Star 4 from 4 reviews
  • Author: Cookies & Cups


  • 1 (15.25 oz) box “Funfetti” Cake mix
  • 1/4 cup vegetable oil
  • 1 egg
  • 1/2 cup milk
  • 1 “Family Size” box Brownie mix, batter prepared per package directions.


  1. Preheat oven to 350°
  2. Spray 9×13 pan with cooking spray
  3. In mixing bowl combine Funfetti Cake Mix, oil, egg and milk. Beat together for 1 minute, until ingredients are incorporated. Batter will be dense.
  4. Spread batter in the bottom of the prepared pan.
  5. Now make your brownie batter according to the directions on the box.
  6. Pour the brownie batter on top of the Funfetti layer.
  7. Bake approx 25-30 minutes until center is set.
  8. Let cool completely and then frost, if desired.

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33 comments on “Cake Batter Brownie Snack Cake”

  1. I used a moist yellow cake mix and added caramel bits and then a chewy brownie mix and added Heath toffee pieces. Had to bake mine for around 50 minutes though.. I used a glass dish — 9 x 12.8. I’m guessing because I made chewy brownies the extra oil made it take a little longer for them to set? ‍♀️ Haven’t tried them yet, still cooling but they smell delicious .

  2. I have made these before and they are so yummy!
    I’m wondering if this recipe could be done in 2 8 or 9in pans to make a round cake? Would you need to double anything?

  3. This didn’t really work for us. In fairness, I didn’t use the brands you did. I used a regular white cake mix and a family size (13×9) brownie mix, and it was still totally jiggly wet in the middle after the first check. By the time it was close enough in the middle, the edges were kind of dark looking. It’s edible (with frosting) but dry, and my 7yo ate hers but my 4yo son actually declined eating his piece at all. It’s definitely not up to my normal standards. I’m not sure where I could have gone wrong, it looked right and even flip flopped batter in places, but the time and temp didn’t work for mine.

  4. Today was Monday, and even though it’s now spring, IL decided to get cold again. Having to wear my down coat once more made me want alllll the deliciousness and this was the answer. Thanks for getting me out of this Mondaze!

  5. Anyone try and make this with their own favorite homemade brownie recipe? I am interested in thoughts on doing this with a homemade brownie recipe. I found the box recipe flavor very overwhelming. I don’t always mind cake mixes but usually find brownies to have an after taste and in this case it completely took over. I LOVE the idea though!

  6. Rachel @ Bakerita

    Just saw these on Pinterest…and I’m so making them. Love!!! And they’re so easy, and so cute. Gonna be a perfect finals week snack 🙂

  7. I made this for my daughter’s 9th birthday cake this past Friday (without trying it beforehand) and it was amazing. I followed all of your directions and did 1/2 the buttercream w/ sprinkles on top and I thought it was super delicious. I was so surprised by the consistency and how well the 2 mixes blended together. Super yum!

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