Recipe

Chocolate Chip Cookie Bars

Thick, chewy cookie bars with golden edges and melty chocolate, made in one bowl and baked in a single pan.

By Matt Campbell

•

4.8

Freshly baked chocolate chip cookie bars in a metal baking pan on a light stone kitchen counter, golden edges and melty chocolate chips visible

Cookie bars are what I make when I want all the payoff of chocolate chip cookies without turning my kitchen into a cookie assembly line. You get those crisp, caramelized edges, a thick and chewy center, and pools of chocolate that make you pause mid-bite and reconsider your priorities in the best way.

This is a one-bowl, one-pan situation. No scooping. No rotating trays like you are running a tiny bakery. Just mix, press, bake, and try to let them cool long enough to cut clean squares. (Try. Not promising.)

Why It Works

Chewy center, crisp edges: Melted butter plus brown sugar gives you that classic cookie-bar chew with a toasty rim.
Big chocolate energy: A mix of chips and chopped chocolate means melty pockets, not just little dots.
Simple and forgiving: No mixer required, and the dough presses right into the pan.
Easy to scale: Perfect for a 9x13 pan and slices like a dream for sharing.

A plate stacked with square chocolate chip cookie bars, showing chewy centers and crisp browned edges

Pairs Well With

Storage Tips

Room temperature: Store bars in an airtight container for up to 4 days. If you stack them, place parchment between layers to keep the tops pretty.

Keep them extra chewy: Add a small piece of bread to the container. The bars stay soft, the bread sacrifices itself. Everyone wins.

Refrigerator: You can refrigerate for up to 1 week, but the texture firms up. Let bars sit at room temp 20 to 30 minutes before serving.

Freezer: Wrap individual bars tightly and freeze up to 3 months. Thaw at room temp, or warm in the microwave for 10 to 15 seconds for that fresh-baked vibe.

Common Questions

How do I know when cookie bars are done?

Look for golden brown edges and a center that looks set and no longer shiny, but still soft. A toothpick should come out with moist crumbs, not wet batter. If you like numbers, an instant-read thermometer in the center should read about 190 to 200°F for set-but-chewy bars. Overbaking is the fastest way to lose the chew.

Can I make these without a mixer?

Yes. A whisk and a sturdy spatula are perfect here. Melted butter makes the dough easy to mix by hand.

Why did my bars turn out cakey?

Common culprits are too much flour (scoop-and-level, do not pack) or overbaking. Also make sure you are using melted butter, not softened, for the texture this recipe is built around.

Can I use a different pan size?

A 9x13-inch pan gives you classic thick bars. An 8x8 pan will be much thicker and needs a longer bake time. A sheet pan makes thinner bars and bakes faster. Use the doneness cues instead of the clock.

Glass or ceramic pan? They bake a little differently. Keep the oven at 350°F, but expect the bake to run a bit longer. Start checking at 30 minutes and use the doneness cues (set center, golden edges).

Can I add nuts or other mix-ins?

Absolutely. Swap up to 1 cup of the chocolate for chopped walnuts, pecans, toffee bits, or mini pretzels. Just keep the total add-ins around 2 to 2 1/2 cups so the bars still hold together. Heads up: nuts and toffee can make the edges brown faster, so keep an eye on that last stretch of baking.

Hands stirring thick chocolate chip cookie bar dough in a large mixing bowl on a bright kitchen counter

Matt Campbell

I have always had a huge passion for the culinary arts, people, working as a team, and so on. I wanted to pursue my love for cooking initially at Virginia Commonwealth University with a culinary arts degree; however, I instead decided to apply myself and acquire more practical skills. My end goal is to eventually open my own restaurant or similar establishment.

Kitchen Essentials

9x13-inch metal baking pan
Parchment paper
Large mixing bowl
Whisk
Rubber spatula
Measuring cups and spoons
Wire rack for cooling

In culinary school daydreams, I was always the guy plating something delicate with tweezers. In real life, I am the guy who wants dessert now, preferably without washing three sheet pans. Cookie bars are my favorite compromise: they feel nostalgic and cozy, but they deliver restaurant-level satisfaction where it matters, like browned edges, proper salt, and chocolate that actually melts.

I started making these whenever friends were coming over because they cut clean, travel well, and somehow disappear faster than cookies. My theory is simple: nobody wants to stop at one corner piece.