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Lazy Chocolate Chip Cookie Bars

Category: Treats That Make Everything Better

These chocolate chip bars are incredibly easy to prepare, needing just four ingredients including a yellow cake mix and semi-sweet chips. The batter is thick and simple to spread into a baking dish, resulting in soft, tender bars with a golden-brown edge. Baking takes about 20 to 25 minutes at 350°F, yielding a sweet, melt-in-your-mouth treat that’s perfect for a quick dessert or snack. Allowing them to cool before slicing ensures clean, sturdy bars.

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Lili Clark smiling at the camera.
Created By Lili Clark
Updated on Wed, 12 Nov 2025 16:49:56 GMT
A stack of chocolate chip cookie bars. Save
A stack of chocolate chip cookie bars. | lilicooks.com

Recipe FAQs

→ What makes the bars soft and chewy?

The yellow cake mix combined with melted butter and eggs creates a tender batter that bakes into soft, chewy bars with a moist texture.

→ Can I use a different type of chocolate chips?

Yes, you can substitute semi-sweet chips for dark, milk, or even white chocolate chips to adjust the sweetness and flavor to your liking.

→ What is the best way to spread the thick batter evenly?

Spraying your hand with nonstick cooking spray and using it to press the batter into the pan helps spread it evenly despite its thickness.

→ How do I know when the bars are done baking?

They puff up while baking and develop golden-brown edges. A toothpick inserted in the center should come out clean or with a few moist crumbs.

→ Can I use a different cake mix flavor?

While yellow cake mix is recommended for its delicate sweetness, experimenting with vanilla or butter-flavored mixes can yield tasty variations.

Lazy Chocolate Chip Bars

Soft chocolate chip bars made from a few ingredients, baked to golden perfection in under 35 minutes.

Preparation Time
10 min
Cooking Time
25 min
Overall Time
35 min
Created By: Lili Clark

Category: Desserts

Skill Level: Beginner-Friendly

Cuisine Type: American

Output: 12 Serves

Dietary Options: Vegetarian

Ingredients

→ Base

01 1 box yellow cake mix
02 ½ cup (1 stick) salted butter, melted
03 2 large eggs, beaten

→ Add-ins

04 12 oz semi-sweet chocolate chips

Steps

Step 01

Set oven temperature to 350°F (177°C).

Step 02

Grease a 9x13-inch baking dish with nonstick cooking spray containing flour.

Step 03

In a bowl, combine yellow cake mix, melted salted butter, and beaten eggs. Mix thoroughly using an electric mixer due to thick consistency.

Step 04

Fold in semi-sweet chocolate chips until evenly distributed.

Step 05

Using hands sprayed with nonstick cooking spray, evenly spread the thick batter in the prepared baking dish.

Step 06

Bake for 20-25 minutes until the bars puff up and edges turn golden brown.

Step 07

Allow bars to cool before cutting and serving.

Tips

  1. Using nonstick spray with flour facilitates easier cleanup and prevents sticking.

Required Tools

  • 9x13-inch baking dish
  • Electric or stand mixer
  • Nonstick cooking spray with flour

Allergy Information

Always check each ingredient for allergens, and consult a medical professional if unsure.
  • Contains eggs, dairy, and gluten.

Nutritional Information (per serving)

These details are shared for general guidance and don’t replace professional advice.
  • Calories: 376
  • Fats: ~
  • Carbohydrates: ~
  • Proteins: ~