Cake Mix Cookie Bars

4.44 from 1468 votes

These cake mix cookie bars are made with just 4 ingredients and everyone loves this easy dessert recipe! The only thing better than yellow cake mix cookies is cookie bars!

chocolate chip cookie bar
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These cake mix cookie bars have fast become top of my easy dessert list. With just 4 ingredients and a few minutes you can make homemade cookie bars in a fraction of the time!

Today I am sharing with you one of the most delicious and simple desserts that you’ll ever make! Have a bake sale coming up and need an easy dessert recipe? Or need a last minute dessert for the holidays?

This recipe and these cake mix banana muffins are two of my favorite ways to use a box of yellow cake mix!

cake mix cookie bars

I have made them for birthday parties, Christmas, dinner gatherings, graduations, and more. Basically any time I am asked to bring a dessert!

Everyone needs a back pocket simple dessert like this one. I love the simplicity of this dessert, and the taste of a homemade treat that didn’t take me an hour to make.

  • yellow cake mix
  • eggs
  • oil
  • chocolate chips
ingredients to make cookie bars with cake mix

Step 1: Preheat your oven to 350 degrees. Beat the eggs in a small bowl. Add the cake mix and oil to the beaten eggs and mix well to combine.

Step 2: Beat in the chocolate chips (the batter will be very thick).

Step 3: Grease a 9 X 13 baking dish with cooking spray. Spread the cookie bar batter evenly in the dish (this will take several minutes to spread evenly). I have found the easiest way to do this is to use a rubber spatula or greased hands.

Step 4: Bake the cookie bars at 350 degrees for 20 – 25 minutes, or until toothpick inserted comes out clean. Once cooled, cut the cookie bars into squares.

Store any leftover bars in an airtight container.

cake mix cookie bars in a 9 by 13 baking dish

Serve warm with ice cream for an extra delicious treat! Everyone loves them, and I love how simple they are to throw together.

Tips for spreading the batter

My preferred way to distribute the batter evenly is by using a rubber spatula.

It will take you a few minutes to press it down into the pan, but the rubber spatula is a lot easier to use for this than other kitchen tools I have tried.

If you don’t have a rubber spatula, you can try greasing your hands to help press the batter down.

cake mix cookie bars

If you’ve never made chocolate chip cookie bars with cake mix, you will be surprised at just how good they are!

They are unbelievably easy to make and so freaking good. We love having them warmed up with vanilla ice cream!

The texture of these bars is the thickness of a brownie with the taste of a chocolate chip cookie. They’re just so fun to eat and really satisfying and thick and chocolatey.

Leftover cake bars can be stored in an airtight container at room temperature for 3-4 days.

cake mix cookie bars topped with ice cream
cake mix cookie bar
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cake mix cookie bar
4.44 from 1468 votes
By: Joy Shull
These easy 4 ingredient cake mix cookie bars are always a crowd pleaser!
Prep: 5 minutes
Cook: 20 minutes
Total: 25 minutes
Servings: 16


  • 15 ounce box of yellow cake mix
  • 2 eggs, beaten
  • cup olive oil, or substitute melted butter or vegetable oil
  • 12 oz chocolate chips


  • Preheat the oven to 350 degrees
  • Beat the eggs in a small bowl
  • Add the cake mix and olive oil to the beaten eggs and mix well
  • Beat in the chocolate chips (batter will be very thick)
  • Grease a 9 X 13 baking dish (see notes for thickness)
  • Spread the batter evenly in the dish (this will take several minutes to spread evenly as it is very thick and sticky)
  • Bake the cookie bars at 350 degrees for 20 – 25 minutes, or until a toothpick inserted comes out clean
  • Once cooled, cover or store in an airtight container



  1. The batter will be thick and hard to spread (this is normal) I found that using a rubber spatula and a spoon made it easier to spread into the pan. It may take a couple minutes, but it’s so worth it!
  2. The thickness of the cookie bars will depend on how large of a baking dish you use.


Calories: 252kcal, Carbohydrates: 36g, Protein: 2g, Fat: 12g, Saturated Fat: 5g, Polyunsaturated Fat: 1g, Monounsaturated Fat: 4g, Trans Fat: 0.1g, Cholesterol: 20mg, Sodium: 201mg, Potassium: 81mg, Fiber: 0.3g, Sugar: 24g, Vitamin A: 30IU, Calcium: 74mg, Iron: 1mg
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recipes using yellow cake mix: Cake mix cookie bars
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Recipe Rating


  1. Made these. They were fast and easy to make. I suggest when you spread it in the pan, I used a piece of wax paper sprayed with Pam.

  2. Delicious! Made them for my college granddaughter to serve at a get-together for her pickle ball team. Every single one gone! Glad I had 2 before they came over, lol. Next time for myself, I’ll cut down on the amount of chips and use pecans , just a little bit too sweet for us, but that’s just me.

    1. @Susan,
      I keep homemade cream cheese vanilla icing made up in the refrigerator in one of those empty store-bought icing containers. (It’s freezable too) I can ice each square individually as needed then store the rest of the bars in a plastic container or freeze half for later. Let the icing get room temperature while the cookies are baking and cooling, then spread or pipe it on. You can also use store-bought icing mixed with a little cream or squirt whipped cream to it to make it smoother.

  3. Love this recipe, always make a double for church, chocolate chips , cranberry’s , after a couple tries I found an easy way to put in a large cookie tray, I wet my hands a couple times and it works great

  4. So easy and super good! My kids love cookie cake and I made this as an alternative for my daughter’s bday. I used strawberry cake mix and white chocolate chips! It was so delicious and my 5 kiddos loved it! Will definitely be making this more.

  5. I love this simple recipe and make it often. I use the bag that the cake mix comes in to spread/flatten the dough in the pan. After putting dough in the pan I simply lay the bag on top and use my hands to spread the dough The bag is like waxed paper and doesn’t stick. So much easier!

  6. I’ve made this recipe before and it’s good. I used yellow cake mix with dark chocolate chips and toffee chips.

  7. They were amazing!! I had an unexpected phone call, from a close friend, that she was inviting herself for a dinner, here at my place the next day!! It’s a long story, but I think that you get the drift of it! Panic buttons start going off everywhere!
    Needless to say, I had to do the baking first! I found this recipe in faves, and BINGO, that was the one! I thought that I might, try tweeking it a bit! So I substituted half of the chocolate chips with raspberry chips! I used a Pyrex glass, (13×9″) dish, and baked it for 23 minutes. I then drizzled melted chocolate over the top for a “fancy”, look. I served it with the half white, the half chocolate ice cream, topped with some fresh raspberries!
    They were a huge hit!!! So I thank you for this recipe, and putting smiles on everyones faces!!!! “The recipe that cannot stop giving!”