Brookies (Brownie and Chocolate Chip Cookie Bars)
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Made from marbled layers of brownie batter and chocolate chip cookie dough, brookies are a fun treat for all ages.
Is it a brownie? Is it a cookie? Nope, it’s a brookie! Brookies are bars made from marbled layers of fudgy brownie batter and cakey chocolate chip cookie dough. When I first heard of them, I thought they were a silly fad (why mess with the classics?) but then I tried them and, boy, was I wrong. Brookies are not only super delicious, but they’re also more festive than your basic brownie recipe or chocolate chip cookies. They’re perfect for those occasions when you need a fun potluck treat for all ages — and they’re pretty handy for packing in lunch boxes and late-night snacking, too.
Table of Contents
“These brookies are as sinfully good as it gets!”
What You’ll Need To Make Brookies
You’ll need two types of chocolate for this recipe: semi-sweet chocolate chips for the cookie layer and bittersweet chocolate for the brownie layer. The label on the bittersweet chocolate I use for this recipe indicates that it contains 60% cacao. Don’t get too caught up in the percentages though, because there are no legal regulations that indicate exactly how much cacao bittersweet chocolate must have. Instead, just make sure what you purchase is labeled bittersweet.
Step-by-Step Instructions
Step 1: Make the Brownie Batter
To begin, place the butter in a medium microwave-safe bowl and melt in the microwave until bubbling. Add the chocolate and whisk until the chocolate is completely melted.
The heat from the butter should be enough to melt the chocolate completely, but if not, place the chocolate-butter mixture in the microwave and heat for 20 seconds or so, then whisk again.
Whisk in the granulated sugar, brown sugar, vanilla, and salt. The mixture will be a bit grainy; that’s okay.
Whisk in the eggs.
Finally, whisk in the flour until combined.
Pour the batter into the prepared pan and spread evenly with a spatula. Set aside.
Step 2: Make the Cookie Dough
Put the butter and both sugars in the bowl of an electric mixer (or a medium bowl if you’re using a hand mixer). Beat for 3 minutes, or until light and fluffy.
Add the vanilla and egg and beat for 1 minute more.
Add the salt, baking powder, and baking soda and beat briefly until evenly combined.
On low speed, mix in the flour.
Add the chocolate chips and mix briefly to combine.
Step 3: Assemble and Bake
Dollop small spoonfuls of the cookie dough evenly over the brownie batter (no need to spread it out or press it down).
Cover the pan with aluminum foil and bake for 20 minutes. Remove the foil and continue baking until the brownie edges are shiny and the cookie portion is golden brown, about 20 minutes more.
Transfer the pan to a wire rack and cool completely. To cut, lift the brookies out of the pan using the parchment overhang and transfer them to a cutting board. Pull the parchment away from the edges and, using a sharp knife, cut the brookies into 2-inch squares.
Store the brookies in an airtight container on the countertop for up to three days or freeze for longer storage. Enjoy!
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Brookies (Brownie and Chocolate Chip Cookie Bars)
Made from marbled layers of brownie batter and chocolate chip cookie dough, brookies are a fun treat for all ages.
Ingredients
For the Brownie Batter
- 1 stick (½ cup) unsalted butter
- 4 oz bittersweet chocolate, roughly chopped (best quality, such as Ghirardelli)
- ½ cup granulated sugar
- ½ cup packed light brown sugar
- 1 teaspoon vanilla extract
- ¼ teaspoon salt
- 2 large eggs
- ½ cup all-purpose flour, spooned into measuring cup and leveled off with knife
For the Cookie Dough
- 1 stick (½ cup) unsalted butter, at room temperature
- ⅓ cup granulated sugar
- ⅓ cup packed light brown sugar
- ½ teaspoon vanilla extract
- 1 large egg
- ½ teaspoon salt
- ½ teaspoon baking powder
- ¼ teaspoon baking soda
- 1¼ cups all-purpose flour, spooned into measuring cup and leveled-off with a knife
- ½ cup semi-sweet chocolate chips
Instructions
- Set the rack in the middle of the oven and preheat to 350°F. Line a 13 x 9 x 2-inch pan with parchment paper (bring the parchment up the sides of pan so there is a slight overhang) and grease with butter or nonstick cooking spray. (If the parchment is slipping, dot a little butter or nonstick spray in the corners of the pan to help the parchment stick.)
- Make the brownie batter: Place the butter in a medium microwave-safe bowl and melt in the microwave until bubbling. Add the chocolate and whisk until the chocolate is completely melted. The heat from the butter should be enough to melt the chocolate completely, but if not, place the chocolate-butter mixture in the microwave and heat for 20 seconds or so, then whisk again. (Alternatively, combine the butter and chocolate in a heatproof bowl and set over a pan of simmering water. Stir occasionally until melted.) Whisk in the granulated sugar, brown sugar, vanilla, and salt. The mixture will be a bit grainy; that's okay. Whisk in the eggs. Finally, whisk in the flour until combined. Pour the batter into the prepared pan and spread evenly with a spatula. Set aside.
- Make the cookie dough: In the bowl of an electric mixer fitted with the paddle or beaters, beat the butter and both sugars for 3 minutes, or until light and fluffy. Scrape down the sides and bottom of the bowl as necessary. Add the vanilla and egg and beat for 1 minute more. Scrape down the sides of the bowl again. Add the salt, baking powder, and baking soda and beat briefly until evenly combined. On low speed, mix in the flour. Finally, add the chocolate chips and mix until just combined.
- Dollop small spoonfuls of the cookie dough evenly over the brownie batter (no need to spread it out or press it down). Cover the pan with aluminum foil and bake for 20 minutes. Remove the foil and continue baking until the brownie edges are shiny and the cookie portion is golden brown, about 20 minutes more. Transfer the pan to a wire rack and cool completely. To cut, lift the brookies out of the pan using the parchment overhang and transfer them to a cutting board. Pull the parchment away from the edges. Using a sharp knife, cut the brookies into 2-in squares directly on the parchment.
- Make-Ahead/Freezer-Friendly Instructions: Brookies can be stored in an airtight container at room temperature for up to 3 days; freeze for longer storage.
Nutrition Information
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- Per serving (24 servings)
- Serving size: 1 brookie
- Calories: 206
- Fat: 11 g
- Saturated fat: 7 g
- Carbohydrates: 27 g
- Sugar: 19 g
- Fiber: 1 g
- Protein: 2 g
- Sodium: 107 mg
- Cholesterol: 43 mg
This website is written and produced for informational purposes only. I am not a certified nutritionist and the nutritional data on this site has not been evaluated or approved by a nutritionist or the Food and Drug Administration. Nutritional information is offered as a courtesy and should not be construed as a guarantee. The data is calculated through an online nutritional calculator, Edamam.com. Although I do my best to provide accurate nutritional information, these figures should be considered estimates only. Varying factors such as product types or brands purchased, natural fluctuations in fresh produce, and the way ingredients are processed change the effective nutritional information in any given recipe. Furthermore, different online calculators provide different results depending on their own nutrition fact sources and algorithms. To obtain the most accurate nutritional information in a given recipe, you should calculate the nutritional information with the actual ingredients used in your recipe, using your preferred nutrition calculator.
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Really hit the spot! I’ve tried a version of brookies that included a box recipe for brownies in the past. This was so much better!
Amazing! I used galaxy milk chocolate for the brownies though and halved the sugar for both. I underbaked it by 12 minutes because I like them gooey and it was amazing!
These brookies really hit the spot when you are craving both cookies and brownies. The recipe is easy to follow and the results are amazing. This is one of my “go to” dessert recipes because the results are amazing every time.
Omg, these are amazing. While I always like nuts in my chocolate, I added chopped walnuts to the brownie part. I also have been using whole grain flour, like Einkorn, which worked really well in these. My kids are crazy for these.
Followed directions exactly… turned out perfect. Trying to post a photo.. not working!!!🤪Thank you!
Glad you liked them! Unfortunately, the blog isn’t set up to receive pictures but if you’re on Instagram, you can share it there; be sure to tag me @onceuponachef!
I have a brownie recipe and a cookie recipe that I’ve memorized, and they are both pretty delicious (especially since they are both gluten free, but not to brag.) and I was wondering if I could use those recipe for this, but cook it the same way? Thanks!
I can’t say for sure without trying it, but I suspect it should work. Please LMK how they turn out if you try it!
They turned out great! Everyone loved them. Thanks!
Two quick questions…1) can you use dark brown sugar instead of light brown and 2) why light brown sugar instead of dark brown. Thanks!
Hi Renee, They are interchangeable here. (I probably used light because it’s what I had on hand.) Hope that helps!
I made these today and they turned out perfect! Thank you so much I’ve been looking for a brookie recipe for ages!
Great recipe, again easy and very tasty
Hi Jenn,
we love your recipes and I make them weekly. I have made these brookies twice now with the same results. The cookie part is cooked but the brownie isn’t. It’s like a chocolate pudding!! The kids still think this is great but am I doing wrong? I bake 20 min covered and 25-30 min uncovered. Help!
Sorry you’re having a problem with these! Sometimes issues like that can be due to the brand of flour you’re using. Can I ask what brand you used? Next time you try these, I’d add 3 more tablespoons of flour to the brownie batter.
The same happened to me! I used 0000 flour…
I want to make this but only have cocoa powder on hand. What amount should I use for that?
Hi Crystal, I wouldn’t recommend replacing the chocolate with cocoa powder in this recipe. The brownie portion has a lot of chocolate in it and I think the flavor would really be impacted – sorry!