Chocolate Chip Cookie Bars

These chocolate chip cookie bars are a cross between a chewy chocolate chip cookie and a traybake — crisp edges, a soft, slightly underbaked center, and a buttery, caramel-forward flavor from brown sugar. They’re easy to make in one pan and slice into squares for snacks, lunchboxes, or a simple dessert.

They’re forgiving and fast: most of the work is mixing and spreading the dough, and they hold up well for a few days, so they’re a good make-ahead sweet when you want something homey without fuss.

Why This Chocolate Chip Cookie Bars Works

1. The higher ratio of brown sugar gives a deep, caramelized chew that makes the bars feel like classic cookies in sheet form.
2. Baking in a single pan produces crisp, golden edges while the center stays soft and tender.
3. A simple ingredient list uses pantry staples (butter, flour, sugar, eggs, chocolate) so it’s easy to pull together anytime.
4. The dough spreads easily in the pan, so you don’t need to pipe or scoop individual cookies — faster and less messy.

Save

Ingredients

MORE EASY DESSERT RECIPES...

DESSERT

Moist Chocolate Zucchini Bread Recipe

DESSERT

Chocolate Glazed Donuts Recipe

DESSERT

No Bake Rich Chocolate Cheesecake

DESSERT

Classic Chewy Chocolate Chip Cookies

A quick note: these bullets explain the role of each ingredient so you know what to look for or swap if needed.

– Unsalted butter: Gives rich flavor and helps the bars brown; use melted or softened depending on the recipe step for texture control.
– Brown sugar: Adds moisture, chew, and a caramel note — light or dark both work but dark is more intense.
– Granulated sugar: Balances sweetness and helps with spread and slight crispness at the edges.
– All-purpose flour: The structure for the bars; don’t over-measure to keep them tender.
– Eggs: Bind the dough and add richness — room temperature eggs incorporate more easily.
– Baking soda and salt: Baking soda helps a little lift and tenderness; salt brightens the flavors.
– Vanilla extract: Boosts overall flavor — pure vanilla if you have it.
– Chocolate chips or chunks: Semisweet or dark for balance; chunks give bigger melty pockets, chips hold their shape more.

Substitutions and Variations

– Swap up to half the butter for browned butter for a nuttier, deeper flavor and slightly more complex caramel notes.
– Use all dark brown sugar for a chewier, more molasses-forward bar; use all granulated for a lighter chew and crisper top.
– Replace 1 cup of chocolate chips with chopped nuts (walnuts or pecans) for added crunch and flavor.
– Use a mix of semisweet and milk chocolate for a sweeter, creamier bar; darker chocolate makes it less sweet and more chocolate-forward.
– For a gluten-free version, use a 1-to-1 gluten-free flour blend; texture will be similar but may be a touch crumblier.

How to Make Chocolate Chip Cookie Bars

This is a summary — the full recipe card has the exact amounts, temperatures, and baking time for your pan.

1. Preheat the oven and line or grease a rectangular baking pan so bars release easily after baking.
2. Cream softened butter with brown and granulated sugar until smooth, then beat in eggs and vanilla until combined.
3. Whisk together flour, baking soda, and salt in a separate bowl; fold the dry mix into the wet just until no streaks remain.
4. Stir in chocolate chips (and nuts if using), then spread the dough evenly into the prepared pan.
5. Smooth the top and press a few extra chips on top for an attractive finish.
6. Bake until the edges are golden and a toothpick in the center comes out with a few moist crumbs — don’t overbake if you want a soft center.
7. Let the pan cool completely on a wire rack before lifting and cutting into bars to get clean slices.

Save

Tips for the Best Results

1. Use room-temperature eggs and butter (if creaming) to ensure an even, smooth batter.
2. Line the pan with parchment that overhangs the sides for easy removal and cleaner cuts.
3. Watch baking time closely — bars continue to set as they cool; take them out when the center still looks slightly soft.
4. For extra chew, chill the dough in the pan for 15–30 minutes before baking to reduce spread.
5. Don’t overmix once you add the flour — overworking develops gluten and makes the bars tough.

Save

Common Mistakes

– Mistake: Overbaking until the center is dry. Fix: Remove when center has a few moist crumbs; it will firm as it cools.
– Mistake: Using too much flour by packing the cup. Fix: Spoon flour into the cup and level with a knife or weigh it.
– Mistake: Not lining the pan. Fix: Line with parchment for easy removal and neater edges.
– Mistake: Skipping salt. Fix: Add the stated salt — it balances sweetness and brings out flavor.
– Mistake: Adding too many mix-ins. Fix: Keep mix-ins to about 1 to 1 1/2 cups total so bars hold together.

Storage

Storing: Once cooled, store cookie bars in an airtight container at room temperature for up to 3 days. Layer with parchment between layers to prevent sticking.

Freezing: These bars freeze well. Wrap individual squares or the whole slab tightly in plastic wrap and freeze in a zip-top bag for up to 3 months. Thaw at room temperature or warm briefly.

Reheating or serving later: Warm bars for 8–12 seconds in the microwave for a freshly-baked feel, or place in a low oven (275°F/135°C) for 5–8 minutes. Serve slightly warm with a scoop of ice cream, if desired.

How to Serve Chocolate Chip Cookie Bars

– Cut into squares and serve plain as a grab-and-go snack.
– Warm and top with vanilla ice cream for an easy dessert.
– Break into pieces and use as a mix-in for milkshakes or ice cream sundaes.
– Pack with lunch or tuck into a picnic basket for an indulgent treat.

Save

More Helpful Notes

– If you like gooey centers, underbake by a minute or two and let the bars rest in the warm pan.
– For even baking, use the size of pan the recipe specifies; a larger pan will make thinner, crisper bars.
– Add a sprinkle of flaky sea salt on top after baking for a lovely contrast.
– Clean cuts: chill bars briefly after cooling for neater slices.

Frequently Asked Questions

Chocolate Chip Cookie Bars

Thick, chewy chocolate chip cookie bars with crisp edges and melty pockets of chocolate, finished with a pinch of flaky sea salt. Easy to mix, perfect for sharing, and even better the next day.

Pin This Recipe For Later! Share The Yum On Facebook Print

Prep Time: 35 minutes minutes

Cook Time: 28 minutes minutes

Total Time: 1 hour hour 3 minutes minutes

Servings: 24

Ingredients

 

1x2x3x

Cookie Bar Dough

• ▢ 3 1/2 cups all-purpose flour about 440g
• ▢ 2 teaspoons cornstarch about 6g
• ▢ 3/4 teaspoon baking soda about 3g
• ▢ 1 teaspoon fine sea salt
• ▢ 1/2 teaspoon instant espresso powder (optional)
• ▢ 1 1/4 cups unsalted butter divided; about 284g; softened
• ▢ 1 1/4 cups light brown sugar packed; about 250g
• ▢ 2/3 cup granulated sugar about 133g
• ▢ 2 large eggs
• ▢ 1 large egg yolk
• ▢ 1 tablespoon pure vanilla extract 15 ml
• ▢ 2 cups semi-sweet chocolate chips or chunks about 340g; reserve a small handful for topping
• ▢ 1/2 teaspoon coarse flaky sea salt (optional) for finishing

Instructions

Preparation Steps

• Heat the oven to 325°F (165°C). Line a 9×13-inch metal baking pan with a parchment sling, leaving overhang on the long sides, and lightly grease the paper.
• In a medium bowl, whisk together the flour, cornstarch, baking soda, fine sea salt, and espresso powder (if using); set aside.
• Melt 6 tablespoons (85g) of the butter in a small saucepan over medium heat just until fully melted. Off the heat, whisk in the brown sugar until glossy and combined. Let cool until just warm, 5 minutes.
• In a stand mixer (or with a hand mixer), beat the remaining butter with the granulated sugar on medium speed until creamy, 45–60 seconds. Scrape the bowl, pour in the cooled brown sugar–butter mixture, and mix on low to combine, about 30 seconds.
• Beat in the eggs and yolk one at a time on low speed, mixing just until each disappears. Stir in the vanilla.
• Add the dry ingredients in two additions, mixing on low only until a few dry streaks remain. Finish folding by hand with a spatula to avoid overmixing; the dough will be thick.
• Fold in about 1 1/2 cups (255g) of the chocolate chips, reserving the rest for the top.
• Press roughly two-thirds of the dough into the prepared pan in an even layer. Pinch off pieces of the remaining dough and scatter over the surface. Sprinkle on the reserved chocolate and lightly press to adhere.
• Chill the filled pan for 10–15 minutes to help the bars bake up extra thick.
• Bake on the center rack for 25–30 minutes, rotating the pan halfway, until the edges are deeply golden and the center looks set but still slightly soft. If the top is browning too quickly, tent loosely with foil for the last few minutes.
• Cool the pan on a rack for 10 minutes, then sprinkle with flaky sea salt (if using). Let cool completely in the pan before lifting out with the parchment sling and cutting into 24 bars.
• Practical tip: For the chewiest texture, weigh your flour (about 440g) or spoon and level—too much flour makes bars cakey.

Notes

Store bars airtight at room temperature for up to 3 days or freeze up to 2 months; the flavor deepens on day two. For clean edges, chill the slab 20–30 minutes and wipe the knife between cuts.

This recipe is an original creation inspired by classic Chocolate Chip Cookie Bars flavors. All ingredient ratios and instructions are independently developed.