Home Desserts Brookies (Brownie + Chocolate Chip Cookie)

Brookies (Brownie + Chocolate Chip Cookie)

Brookies are a dessert mash-up of epic proportions. Because why pick between chocolate chip cookies and brownies when you can have them both?

As you might have guessed, brookies are a combination of brownies and cookies.

Close Up of Two Gooey, Slightly Underbaked Brookies Stacked with Chocolate Chip Cookie Bottoms and Fudgy Brownie Tops

With these squares, you get two desserts in one. The only thing missing is a glass of warm milk.

This 2-in-1 bar is insanely chewy, fudgy, and super chocolatey! It’s definitely over-the-top, but not overwhelming, either. It’s the ultimate chocolate lover’s treat. 

So if you, like me, are obsessed with chocolate, what are you waiting for? Let the baking commence.

What is a Brookie?   

Brookies are 50% chocolate chip cookies, 50% brownies, and 100% delicious. 

They’re scrumptious bars with a cookie layer at the bottom and a brownie layer on top.

Some recipes will have the layers positioned upside down or swirled together. But you get the gist.

Top View of Brownie-Topped Brookies in a Parchment-Lined Baking Tray

What are Brookies Made Of? 

Brookies have chocolate chip cookies at the bottom and fudgy brownies on top.

You can use your own cookie and brownie recipes. But if you don’t have one yet, go ahead and use mine. I promise they won’t disappoint. 

Cookie Layer:

  • Softened Butter- It makes ultra-rich and moist cookies. Use softened, not melted, butter to prevent overspreading.
  • Sugar- A mix of brown and granulated sugar creates the perfect balance of sweet and gooey cookies.
  • Vanilla Extract- A flavor enhancer.
  • Egg- It binds the dry and wet ingredients together.
  • All-Purpose Flour- The base of the cookies.
  • Sal – Adds a bit of saltiness to balance out the sweetness.
  • Baking Soda- The leavening agent that makes the cookies rise.
  • Semisweet Chocolate Chips- They’re called chocolate chip cookies, after all!

Brownie Layer:

  • Granulated Sugar- For sweetness. 
  • Melted Butter- Where the cookie dough calls for softened butter, the brownie batter requires melted butter to yield super fudgy brownies.
  • Vanilla Extract- For amplifying the chocolate flavor.
  • Eggs- To bind the wet and dry ingredients together.
  • Cocoa Powder- The brownies’ only source of chocolate flavor. Be sure the quality is excellent.
  • All-Purpose Flour- The base of the batter.
  • Baking Powder- The leavening agent that lifts the brownies.
  • Salt- To contrast the sweetness.
Close Up Square of a Gooey Brookie with a Cookie Layer Bottom and Fudgy Brownie Layer Top on a White Plate on a White Marble Table with a Kitchen Towel

How to Make Brookies 

Prepare the cookie dough.

1. Beat together the softened butter, sugars, and vanilla in a bowl. It’s ready when the mixture is fluffy and creamy.

Apart from combining the ingredients, this process also introduces air into the mixture. This will help the cookies to rise.

2. Add in the egg. Beat in the egg until combined. 

3. Mix the dry ingredients- flour, salt, and baking soda. Sift these ingredients together in a bowl first.

(Combining them in a separate bowl will prevent you from over-mixing the dough.) 

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4. Gradually add the flour mixture to the butter mixture. Beat them together just until you no longer see streaks of flour. 

5. Assemble. Drop spoonfuls of cookie dough into a greased baking dish and spread it evenly. Cover the entire surface of the dish.

Prepare the brownie batter.

6. Mix the wet brownie ingredients. Combine melted butter with sugar and vanilla and beat in the eggs until well-combined.

7. Add the dry ingredients to the wet ones. Start with the cocoa powder, followed by the flour, baking powder, and salt.

Beat the ingredients together until the batter is smooth.

8. Pour it over the cookie dough.

9. Finally, it’s time to bake! Pop the dish in the oven and bake it for 20 to 25 minutes.

Insert a toothpick into the center of the brookies to test for doneness. It’s ready when the toothpick comes out clean or with a few dry crumbs sticking to it.

Wait until the brookies have cooled completely before slicing. You can speed things up by freezing the dish for 20 minutes. 

10. Slice the brookies into squares, serve, and enjoy!

Close Up of Gooey, Fudgy Brookie with Cookie Bottom and Brownie Top on a White Plate with the Rest of the Brookies in a Tray in the Background

How to Measure Your Ingredients Accurately

Correct measurement is the first step to baked good success. I can’t stress this enough!

Use a kitchen scale if you have one.

But if you don’t, the good spoon-and-level method will suffice.

  1. The spoon-and-level method requires you to use a spoon to place the ingredient into a measuring cup. This gives you a more precise amount than scooping it with the measuring cup.
  2. Then, level the ingredient down with the back of a knife or an offset spatula. Or any utensil with a flat surface.

Tips for Making The Best Dessert 

  • Line the baking dish with it for easier clean-up. Leave overhangs along the sides so that you can easily lift out the brookies when ready.
  • Use room temperature butter for the cookie dough. Melted butter will result in overspreading. 
  • Use melted butter for the brownie batter. This will yield fudgy and ooey-gooey brownies.
  • Use room temperature eggs. Do this for both the cookie dough and brownie batter. Room temperature eggs will incorporate easily with the rest of the ingredients. Also, cold eggs will alter the temperature of the butter, which you don’t want to happen.
  • Want super fudgy brownies? Use good-quality cocoa powder. The flavor of the brownies relies solely on this, so be sure to pick a brand whose taste you like.
  • Is your cookie dough too sticky? Use a rubber spatula that’s been greased with non-stick spray to make it easier to spread.
  • Make it Instagram-worthy with chocolate chunks! Add the chocolate chunks in the last few minutes of baking for a prettier presentation. Plus, it makes for extra chocolatey brookies.
  • Give them time to cool. Be sure to let the brookies cool completely before slicing. Freshly-baked brookies haven’t set yet, so it’ll be super difficult to slice into. 
  • Pressed for time? Freeze the brookies for 20 minutes to speed things up.
  • No time to bake brownies from scratch? Your favorite brownie mix will do in a pinch.

Brookie Variations

  • Forget the diet! Add Oreo cookies or Reese’s Peanut Butter Cups in between the cookie and brownie layers. This makes an even more indulgent dessert. 
  • Add fun toppings! Sprinkle chocolate chips, butterscotch chips, nuts, or sprinkles over the brownie batter.
  • Add a flavorful drizzle. Try a chocolate glaze, peanut butter, or caramel sauce.

Storing Brookies

Store the brookies in an air-tight container at room temperature. They will last for up to 1 week. Warm them in the microwave for several seconds or serve as is.

More Bar Recipes You’ll Love

Buckeye Brownies

Cheesecake Brownies

Slutty Brownies

Cosmic Brownies

Caramel Brownies

Brookies (Brownie + Chocolate Chip Cookie)



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Can’t choose between cookies or brownies? Make these easy brookies instead! With cookies on top and brownies on the bottom, it’s two tasty treats in one.


  • Cookie Layer:
  • 1/2 cup butter, softened

  • 1/2 cup light brown sugar

  • 1/4 cup granulated sugar

  • 1/2 teaspoon vanilla extract

  • 1 large egg, room temperature

  • 1 1/4 cups all-purpose flour

  • 1/2 teaspoon salt

  • 1/2 teaspoon baking soda

  • 1 cup semisweet chocolate chips

  • Brownie Layer:
  • 1 cup granulated sugar

  • 1/2 cup butter, melted

  • 1 teaspoon vanilla extract

  • 2 eggs, room temperature

  • 1/3 cup cocoa powder

  • 1/2 cup all-purpose flour

  • 1/4 teaspoon baking powder

  • 1/8 teaspoon salt


  • Preheat the oven to 350 degrees Fahrenheit. Grease a 9×14-inch baking dish with baking spray or butter or line it with parchment paper.
  • Make the cookie dough. In a large bowl, beat together the softened butter, light brown sugar, 1/4 cup of granulated sugar, and 1/2 teaspoon of vanilla until fluffy. Beat in the egg until it’s light and creamy, about 2 minutes.
  • In a separate bowl, sift together 1 1/4 cups flour, 1/2 teaspoon salt, and baking soda. Gradually add the dry ingredients into the butter mixture and beat until a smooth dough is formed. Mix in the chocolate chips. Spread the cookie dough evenly into the bottom of the prepared dish.
  • Make the brownie batter. In a large bowl, beat together 1 cup granulated sugar, melted butter, and 1 teaspoon vanilla until well-combined. Beat in the eggs, 1 by 1, and sift in the cocoa powder. Beat until combined.
  • Sift in 1/2 cup flour, baking powder, and 1/8 teaspoon salt. Beat it until the batter is smooth and well-combined. Pour and spread the brownie batter evenly over the cookie dough.
  • Bake for 20 to 25 minutes, or until a toothpick inserted into the center comes out clean. Let the brookies cool completely before cutting them into squares. Serve and enjoy!

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Kim - InsanelyGood
Hey there! I'm Kim. I love running, cooking, and curling up with a good book! I share recipes for people who LOVE good food, but want to keep things simple :)

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