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Cake Mix Cookie Bars

Craving something sweet, that’s easy to make and impossible to resist? Say hello to cake mix cookie bars! 

You can whip up a batch in minutes with minimal effort, and they’re guaranteed to please.

The hardest part is waiting for them to cool. But if you can hold off, you’ll have the most perfect ooey-gooey squares. 

Cake mix cookie bars with chocolate chips on a white plate.
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Why You’ll Love These 5-Ingredient Cake Mix Cookie Bars

These babies are perfect for any occasion. 

Pack them in your kid’s lunchbox, bring them to your next potluck, or just enjoy them with a cold glass of milk after a long day. 

They’re guaranteed to put a smile on your face and satisfy your sweet tooth.

Need more reasons to try them? Here’s four:

Quick Prep: Thanks to the cake mix, the dough comes together in minutes. It’s such a convenient shortcut.

Endless Variations: Customize your cookie bars with any cake mix flavor and favorite mix-ins, from red velvet with white chocolate chips to funfetti with rainbow sprinkles.

Stress-Free Dessert: With minimal effort and no fancy techniques required, these cake mix chocolate chip cookie bars are a stress-free dessert. And you can easily jazz them up with a layer of frosting if you like.

Freezer-Friendly: Double the recipe, wrap them in plastic, and freeze for whenever the cravings strike.

Cookie batter with chocolate chips in a glass bowl.

Ingredients

Warning: these cake mix cookie bars are dangerously addictive! 

Here’s what you’ll need to make them:

  • Vegetable Oil: Adds moisture and richness, transforming the cake mix into a dense, fudgy texture.
  • Large Eggs: Binds the ingredients and helps create a tender, cohesive cookie bar.
  • Vanilla Extract: Enhances the overall flavor and adds a subtle sweetness to the bars.
  • Semi-Sweet Chocolate Chips: For gooey, melty pockets of chocolate in every bite.
Sliced cake mix chocolate chip cookie bars on a parchment paper on a white marble surface.

How to Make Cake Mix Cookie Bars

The recipe is a breeze. Just mix the cake mix with a few simple ingredients, spread it in a pan, and bake. 

Before you know it, your kitchen will be filled with the irresistible aroma of freshly baked cookie bars. 

Here are the steps:

1. PREP. Preheat the oven to 350°F. Line a 9×13-inch baking pan with parchment paper and spray it with nonstick cooking spray. Set aside.

2. MIX the bar ingredients in a large bowl until well combined. The batter will be thick but soft.

3. FOLD in the chocolate chips until evenly distributed.

4. PRESS the cookie dough into the baking pan until it’s flat and even. 

5. BAKE for 20-25 minutes until the edges are lightly golden brown. 

6. COOL completely in the pan before slicing into squares.

Square slices of cake mix cookie bars with chocolate chips.

Tips For the Best Cake Mix Cookie Bars

Every bite of these cookie bars is packed with rich, melty chocolate goodness. 

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But before you start mixing, check out these tips:

  • Expect thick batter. Don’t be alarmed if the batter seems thick – that’s how it should be! It will spread out as it bakes.
  • Press evenly. Use a spatula or your hands to press the dough evenly into the pan, ensuring it reaches all the edges and corners.
  • Slightly underbaked them. When you remove the bars from the oven, they may look a bit underbaked in the center, but they will set as they cool. Trust the process!
  • Cool completely. Allow the bars to cool completely in the pan before slicing them into clean, neat squares.
  • Parchment lining. Line your baking pan with parchment paper for easy removal and cleanup.
  • Make them extra gooey. For even gooier, more indulgent bars, increase the chocolate chips to 2 cups.
  • Decadent toppings. Drizzle cooled bars with melted chocolate or caramel sauce. Or serve them warm with a scoop of vanilla ice cream. 
Hand holding cake mix cookie bars with chocolate chips.

Recipe Variations

I mentioned a couple of variations above, but here are a few more you have to try:

  • Chocolate and Peanut Butter – use chocolate cake mix and peanut butter chips.
  • Strawberry and White Chocolate – use strawberry cake mix and white chocolate chips.
  • Lemon and Blueberry – use lemon cake mix and dried blueberries. A few white chocolate chips would be tasty, too!
  • Snickerdoodle – use a spiced cake mix and top them with a light coating of cinnamon sugar.
  • Monster Cookie Bars – use yellow cake mix with mini M&Ms.
  • Kitchen Sink Bars – use butter cake mix with mini chocolate chips, chopped pretzels, and crushed salted chips.
Cake mix chocolate chip cookie bars stacked on a plate.

How to Store

While these bars store well for up to 1 week, I doubt they’ll last that long!

But in case they do, here’s how to store them:

To Store: Wrap cooled cookie bars in plastic or layer them with parchment paper in an airtight container. Store at room temperature for up to 5 days or in the fridge for up to 1 week.

To Freeze: Wrap the cooled cookie bars tightly in plastic wrap, then place them in a freezer-safe container or resealable bag. Freeze for up to 3 months.

Thaw frozen cake mix cookie bars in the fridge overnight or on the counter for 1-2 hours. Serve at room temperature for the best taste and texture.

More Cake Mix Recipes To Try

Strawberry Cake Mix Cookies
Pumpkin Dessert With Yellow Cake Mix
Cake Mix Brownies
Cherry Cobbler with Cake Mix

Cake Mix Cookie Bars

Course: DessertCuisine: American
Servings

24

servings
Prep time

5

minutes
Cooking time

25

minutes
Calories

135

kcal

Say hello to your new favorite snack: quick and easy cake mix cookie bars! They’re thick, fudgy, and loaded with ooey-gooey chocolate chips.

Ingredients

  • 1 (15.25 ounce) box yellow cake mix

  • 1/3 cup vegetable oil

  • 2 large eggs

  • 1 teaspoon vanilla extract

  • 1 1/2 cups semi-sweet chocolate chips

Instructions

  • Preheat the oven to 350°F (175°C). Line a 9×13-inch baking pan with parchment paper and spray with nonstick cooking spray. Set aside.
  • In a large bowl, mix the yellow cake mix, vegetable oil, eggs, and vanilla extract until well combined. The batter will be thick.
  • Fold in the chocolate chips until evenly distributed. Then, press the cookie dough into the baking pan. Use a spatula or your hands to spread it to the edges.
  • Bake for 20-25 minutes until the edges are lightly golden brown and the center looks slightly underbaked.
  • Take the bars out of the oven and let cool completely in the pan. When set, lift them from the pan with the parchment, slice into squares, and enjoy!

Notes

  • Press evenly. Use a spatula or your hands to press the dough evenly into the pan, ensuring it reaches all the edges and corners.
  • Decadent toppings. Drizzle cooled bars with melted chocolate or caramel sauce. Or serve them warm with a scoop of vanilla ice cream.

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author avatar
Kim - InsanelyGood
Hey there! I'm Kim. I love running, cooking, and curling up with a good book! I share recipes for people who LOVE good food, but want to keep things simple :)

3 thoughts on “Cake Mix Cookie Bars”

  1. This recipe is so Dam* good! Hubby and I ate the whole cake pan in 2 days. We will be taking it to potlucks, holidays, get togethers, and cook outs. But only problem is, I will have to make 3-4 batches 😆.
    Thank U so much for the talent of this recipe. Now I got 8 more boxes of cake mix to use.

    Reply

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