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Lazy Chocolate Chip Cookie Bars (+Video)

Lazy Chocolate Chip Cookie Bars are made with boxed cake mix, butter, eggs and chocolate chips. So soft and yummy!

Enter the Lazy Cookie Bar. Made with my favorite pantry item – the boxed cake mix. So versatile, so easy and so yummy. Only 4 ingredients and you probably have them all at home already. It’s not a really thick bar. It’s more like a sheet pan cookie. It’s gooey and I love the edges – those are my favorite.

slice, Cake Mix Chocolate Chip Cookie Bar on a plate topped with ice cream.

CAN I USE OTHER CAKE MIX FLAVORS?

The great thing about this recipe is all the variations you can make. I’ve made these with red velvet cake mix, chocolate cake mix, birthday cake mix and they’ve all been delicious! Also, feel free to use different types of chips or add in nuts. I really love when the holiday baking chips come out. You can really have fun with this recipe and no one will know just how easy it was to make but you!

Updated to add: cake mixes seem to keep reducing in size over the years. They used to be 18.25 ounces and now some of them are down to 14 ounces so baking times will vary depending on the type of cake mix you purchase and how much is in the box. So please understand this before baking. You will need to keep an eye on it. Start with about 15-18 minutes and go from there. 

Lazy Chocolate Chip Cookie Bar recipe from The Country Cook. Slice shown close up on a white round plate and topped with ice cream and chocolate drizzle.

INGREDIENTS NEEDED: (FULL RECIPE AT THE BOTTOM OF THE POST)

  • yellow cake mix
  • eggs
  • salted butter
  • semi-sweet chocolate chips
yellow cake mix, chocolate chips, butter, eggs

Preheat oven to 350F degrees. Spray a 9×13-inch baking dish with nonstick cooking spray. I love to use the kind that has flour in it (Baker’s Joy).

Baker's Joy nonstick cooking spray

Combine dry cake mix with melted butter and beaten eggs.

yellow cake mix, melted butter, beaten eggs.

This is easier if you have an electric or stand mixer because batter will be very thick. Stir in bag of chocolate chips. Spread batter into greased baking dish.

cake mix chocolate chip bar batter.

What I like to do is spray my hand with some nonstick cooking spray and then spread the batter around using my hand since the batter is very thick.

cookie dough batter spread into the bottom of a greased baking pan.

 Once it is evenly spread out, put in the oven and bake for about 20-25 minutes.

baked chocolate chip cookie bars in a baking dish.

It will puff up as it is cooking and be golden brown around the edges when it is done.

fully baked cake mix chocolate chip batter.

And like any good chocolate chip cookie, I like to eat these warm so you can usually find me sneaking some bites from this pan before it’s cool! This makes a great base for some ice cream too.

sliced, Lazy Chocolate Chip Cookie Bars on a white tray with chocolate chips.

CRAVING MORE SWEET RECIPES?

Originally posted: March 2012
Photos updated and reposted: August 2019

Lazy Chocolate Chip Cookie Bar

Lazy Chocolate Chip Cookie Bars

Lazy Chocolate Chip Cookie Bars are made with boxed cake mix, butter, eggs and chocolate chips. So soft and yummy!
4.71 from 89 votes
Print Pin Rate
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Servings: 12

Ingredients

  • 1 box yellow cake mix (I prefer Duncan Hines – see notes below)
  • 2 large eggs beaten
  • ½ cup (1 stick) salted butter, melted
  • 12 ounce bag semi-sweet chocolate chips

Instructions

  • Preheat oven to 350F degrees.
  • Spray a 9×13-inch baking dish with nonstick cooking spray. I love to use the kind that has flour in it.
  • In a bowl, combine dry cake mix with melted butter and beaten eggs. This is easier if you have an electric or stand mixer because batter will be very thick.
  • Stir in chocolate chips.
  • Spread thick batter into greased baking dish. What I like to do is spray my hand with some nonstick cooking spray and then spread the batter around using my hand since the batter is very thick.
  • Once it is evenly spread out, put in the oven and bake for about 20-25 minutes. See my note below.
  • It will puff up as it is cooking and be golden brown around the edges when it is done. Allow to cool.

Video

Notes

  • Please note: cake mixes seem to keep reducing in size over the years. Baking times will vary depending on the type of cake mix you purchase and how much is in the box. Not all cake mixes are reducing in size but many are so baking times will now vary depending on the brand. Please understand this before baking. You will need to keep an eye on it. Start with about 15-18 minutes and go from there. 
  • For an extra special treat, top with a scoop of ice cream!
  • This can be made with any flavor of cake mix.
Course: Dessert
Cuisine: American

Nutrition

Calories: 376kcal | Carbohydrates: 50g | Protein: 4g | Fat: 18g | Sodium: 369mg | Fiber: 3g | Sugar: 29g

Nutritional Disclaimer

“The Country Cook” is not a dietician or nutritionist, and any nutritional information shared is an estimate. If calorie count and other nutritional values are important to you, we recommend running the ingredients through whichever online nutritional calculator you prefer. Calories and other nutritional values can vary quite a bit depending on which brands were used.

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Recipe Rating




102 Comments

  1. 5 stars
    We love these and have made them with so many different flavors! I especially love it because my autistic 7 year old daughter can really get involved and help make it. She calls them “Jessica’s Famous Cookie Bars”. Thanks so much!

  2. 5 stars
    These are extremely easy to make. Made these with my niece and all the kids and a “test” bite and said, “these are beyond the best! I want these for my birthday!” Total hit!! Thank you for the recipe!

  3. 5 stars
    This decadent dessert was so quick and easy to make! A fun mother/daughter baking event together. The only thing we added to the finished product was Hershey’s Sundae Dream double chocolate syrup, whipped cream and rainbow sprinkles we had on hand. Since my oven temperature seems high and burns easily, I set my temp to 340 degrees and it turned out perfectly. Brown along edges and soft inside. Oh so yummy! This recipe is a fantastic idea for last minute events or company stopping by. The suggestion to spray hands with cooking spray to even mix out in pan was spot on. Worked great! Thank you for another wonderful recipe. This is definite a keeper and one everyone needs to try! You will absolutely LOVE IT!!!

  4. This was the easiest best tasting recipe ever. 1 cup of milk choc chips and a 9 x 9 pan. Cookie bars were nice and thick. I’m gonna try choc cake and peanut butter chips.

  5. Does it work just fine to double the recipe and put it in a 13 x 18 inch sheet pan? Maybe bake just a little longer?

  6. 5 stars
    The only thing about making these is you got to hide them when you have company and I don’t like to share LOL they’re delicious.