Ultimate gooey chocolate chip bars

Featured in: Desserts & Sweet Treats

These gooey chocolate chip bars offer a perfect blend of soft and chewy textures enriched by melty semisweet chips and a buttery golden crust. Prepared by mixing simple dry ingredients with melted butter and sugars, then folding in eggs and vanilla, the batter is gently combined with chocolate chips and optionally nuts. Baked just until the edges are golden and centers remain slightly soft, these bars provide a decadent yet easy-to-make treat. Ideal warm with ice cream or a sprinkle of sea salt for an enhanced flavor experience.

Updated on Sat, 13 Dec 2025 08:12:00 GMT
Golden-brown Ultimate Gooey Chocolate Chip Cookie Bars, loaded with melted chocolate, ready to be devoured. Save
Golden-brown Ultimate Gooey Chocolate Chip Cookie Bars, loaded with melted chocolate, ready to be devoured. | fluxbaker.com

Irresistibly soft and chewy cookie bars packed with melty chocolate chips and a buttery, golden crust—perfect for sharing at any occasion.

This recipe has become our family's favorite treat to bake together on weekends.

Ingredients

  • Dry Ingredients: 2 1/4 cups (280 g) all-purpose flour
  • Dry Ingredients: 1/2 teaspoon baking soda
  • Dry Ingredients: 1/2 teaspoon salt
  • Wet Ingredients: 1 cup (225 g) unsalted butter, melted and slightly cooled
  • Wet Ingredients: 1 1/4 cups (250 g) packed light brown sugar
  • Wet Ingredients: 1/2 cup (100 g) granulated sugar
  • Wet Ingredients: 2 large eggs, room temperature
  • Wet Ingredients: 2 teaspoons pure vanilla extract
  • Add-Ins: 2 cups (340 g) semisweet chocolate chips
  • Add-Ins: Optional 1/2 cup (60 g) chopped walnuts or pecans

Instructions

Step 1:
Preheat your oven to 350°F (175°C). Line a 9x13-inch (23x33 cm) baking pan with parchment paper, leaving a slight overhang for easy removal.
Step 2:
In a medium bowl, whisk together the flour, baking soda, and salt. Set aside.
Step 3:
In a large bowl, mix the melted butter, brown sugar, and granulated sugar until smooth and creamy.
Step 4:
Add the eggs one at a time, mixing well after each addition. Stir in the vanilla extract.
Step 5:
Gradually fold in the dry ingredients until just combined—do not overmix.
Step 6:
Gently fold in the chocolate chips and nuts (if using).
Step 7:
Spread the dough evenly into the prepared pan, smoothing the top with a spatula.
Step 8:
Bake for 23–28 minutes, or until the edges are golden and the center is just set (do not overbake for gooey bars).
Step 9:
Remove from the oven and cool completely in the pan on a wire rack. Once cool, lift out and cut into bars.
Warm, freshly baked Ultimate Gooey Chocolate Chip Cookie Bars with a center that’s soft and irresistible. Save
Warm, freshly baked Ultimate Gooey Chocolate Chip Cookie Bars with a center that’s soft and irresistible. | fluxbaker.com

Making these bars has become a cherished family moment we look forward to every weekend.

Notes

Add a sprinkle of flaky sea salt on top before baking for a gourmet touch and serve warm with vanilla ice cream for a decadent treat.

Required Tools

9x13-inch (23x33 cm) baking pan, mixing bowls, whisk, spatula, parchment paper, wire rack

Allergen Information

Contains wheat (gluten), eggs, milk (butter, chocolate), and may contain tree nuts if added. Always check chocolate chips and other packaged ingredients for possible allergens.

A close-up of Ultimate Gooey Chocolate Chip Cookie Bars, hinting at the delightful, gooey texture after baking. Save
A close-up of Ultimate Gooey Chocolate Chip Cookie Bars, hinting at the delightful, gooey texture after baking. | fluxbaker.com

Enjoy these bars fresh out of the oven for the ultimate gooey experience.

Recipe FAQ

How can I achieve the gooey texture in these bars?

To get that perfect gooey texture, slightly underbake the bars and let them finish setting in the pan as they cool.

Can I substitute different types of chocolate chips?

Yes, you can swap semisweet chips for milk, dark, or white chocolate according to your preference.

Are nuts required for these bars?

Nuts are optional. You can add chopped walnuts or pecans for extra crunch or omit them entirely.

What pan size is best for baking these bars?

A 9x13-inch baking pan lined with parchment paper ensures even baking and easy removal of the bars.

Is there a way to add a gourmet touch to these bars?

Sprinkling flaky sea salt on top before baking enhances the flavor with a subtle salty contrast to the sweetness.

Ultimate gooey chocolate chip bars

Soft, chewy bars bursting with melty chocolate chips and a golden buttery crust for sharing.

Prep Duration
15 min
Cook Duration
25 min
Overall Time
40 min
Created by Sophia Brown


Skill Level Easy

Cuisine American

Makes 16 Number of Servings

Diet Preferences Meatless

What You'll Need

Dry Ingredients

01 2 1/4 cups all-purpose flour
02 1/2 teaspoon baking soda
03 1/2 teaspoon salt

Wet Ingredients

01 1 cup unsalted butter, melted and slightly cooled
02 1 1/4 cups packed light brown sugar
03 1/2 cup granulated sugar
04 2 large eggs, room temperature
05 2 teaspoons pure vanilla extract

Add-Ins

01 2 cups semisweet chocolate chips
02 Optional: 1/2 cup chopped walnuts or pecans

How-To Steps

Step 01

Preheat oven and prepare pan: Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving an overhang for easy removal.

Step 02

Combine dry ingredients: Whisk together flour, baking soda, and salt in a medium bowl; set aside.

Step 03

Mix wet ingredients: In a large bowl, blend melted butter with brown and granulated sugars until smooth and creamy.

Step 04

Incorporate eggs and vanilla: Add eggs one at a time, mixing well after each addition, then stir in vanilla extract.

Step 05

Combine wet and dry: Fold dry ingredients into wet mixture gently until just combined; avoid overmixing.

Step 06

Add chocolate chips and nuts: Gently fold in chocolate chips and nuts if using.

Step 07

Transfer dough to pan: Evenly spread dough into prepared pan, smoothing the surface with a spatula.

Step 08

Bake cookie bars: Bake for 23 to 28 minutes until edges are golden and center is set but still soft; do not overbake for gooey texture.

Step 09

Cool and serve: Allow to cool completely on a wire rack in the pan, then lift out using parchment overhang and cut into 16 bars.

Gear Needed

  • 9x13-inch baking pan
  • Mixing bowls
  • Whisk
  • Spatula
  • Parchment paper
  • Wire rack

Allergy Details

Review all components for allergens. If unsure, talk to a healthcare provider.
  • Contains wheat (gluten), eggs, milk (butter, chocolate), and may contain tree nuts if added.
  • Check chocolate chips and packaged ingredients for other allergens.

Per Serving Nutrition Details

Details here are for information—don’t use as medical advice.
  • Calorie Count: 295
  • Fats: 15 g
  • Carbohydrates: 39 g
  • Proteins: 3 g