Brookie Bars with Brownie Mix: How to Make Them Extra

Understanding and Making Brookie Bars

Brookie bars with brownie mix are the ultimate dessert mashup, blending the rich, fudgy texture of brownies with the chewy, buttery goodness of cookies. This indulgent treat combines two favorites into one irresistible bite, making it a go-to dessert for chocolate lovers and cookie enthusiasts alike. Whether you prefer the deep, chocolatey intensity of brownies or the soft, golden chewiness of cookies, brookies offer the best of both worlds in every slice.

Thanks to pre-made brownie mix, making brookie bars is easier than ever. This shortcut not only saves time but also ensures a consistent, bakery-quality texture every time. Simply prepare the brownie batter, layer it with a homemade or store-bought cookie dough, and bake to perfection. The result? A decadent, gooey, and perfectly layered treat that’s as easy to make as it is to enjoy.

Brookie bars have soared in popularity, becoming a viral sensation on social media and a staple in bakeries and home kitchens alike. Whether served warm with ice cream or enjoyed as an on-the-go snack, these chocolate-packed bars continue to win hearts worldwide. If you haven’t tried them yet, now is the perfect time to bake a batch and experience the ultimate dessert fusion.

Why Use Brownie Mix for Brookie Bars?

Although brookies can be made from scratch, using a brownie mix offers several benefits:

  • Convenience and Ease: No need to measure out multiple ingredients—just mix, pour, and bake.
  • Consistency in Results: Boxed brownie mixes are formulated for consistent texture and flavor, ensuring perfect brookies every time.
  • Time-Saving Benefits: Pre-made mixes cut down prep time, making brookies a quick and effortless dessert option.

Popularity of Brookies

Brookie bars have skyrocketed in popularity thanks to social media and the growing trend of hybrid desserts. Platforms like Instagram, TikTok, and Pinterest are filled with viral brookie recipes, inspiring home bakers to try their own versions. Many bakeries have also embraced the trend, offering their unique takes on brookies, from salted caramel brookies to peanut butter-stuffed variations.

With their irresistible layers of flavor and easy preparation, brookie bars continue to be a favorite among dessert lovers everywhere.

Brookie Bars With Brownie Mix (3)

Ingredients and Preparation

Creating brookie bars with brownie mix is simple and requires just a few key ingredients and tools. Selecting the right brownie mix, preparing a flavorful cookie dough layer, and using the right baking equipment are all essential for perfectly balanced brookies.

Choosing the Best Brownie Mix

Using a high-quality brownie mix is crucial for getting that rich, fudgy texture in your brookie bars. Some of the best brands include:

  • Ghirardelli – Known for its deep chocolate flavor and smooth texture.
  • Betty Crocker – Delivers a classic, chewy brownie.
  • Duncan Hines – Ideal for a more cake-like consistency.

When selecting a mix, consider:

  • Fudgy vs. cakey texture – Fudgy mixes work best for brookies to balance the chewy cookie layer.
  • Pan size instructions – Some mixes are designed for an 8×8 pan but need to be adjusted for a 9×13 dish.

For more chocolate-packed inspiration, check out this recipe for cosmic brownies, a similar rich and indulgent treat!

Making the Cookie Dough Layer

The cookie layer should be chewy, golden, and buttery, complementing the brownie base. Key ingredients include:

  • Butter – Use melted butter for a soft and chewy texture.
  • Brown Sugar & Granulated Sugar – Brown sugar adds moisture and richness.
  • Eggs & Vanilla Extract – Enhance flavor and structure.
  • Flour, Baking Soda & Salt – Essential for texture and rise.
  • Chocolate Chips – Use semi-sweet or dark chocolate for a rich contrast.

Substitutes & Variations:

  • Gluten-Free Brookies – Swap all-purpose flour for a gluten-free blend.
  • Vegan Option – Use plant-based butter and an egg substitute like flax eggs.

Looking for more creative cookie-based ideas? Try this brownie cookies recipe for another delicious twist!

Baking Equipment Needed

Having the right equipment ensures even baking and perfect brookies:

  • Mixing Bowls & Whisk – For smooth batter and dough preparation.
  • 9×13 Baking Dish – The ideal pan size for balanced layers.
  • Parchment Paper or Non-Stick Spray – Prevents sticking and makes cleanup easier.
  • Spatula & Measuring Cups – Ensures accurate ingredient proportions.

Why Pan Size Matters

  • An 8×8 or 9×9 pan will create thicker, denser brookies but may need a longer bake time.
  • A 9×13 pan results in thinner, evenly baked layers, perfect for easy slicing and serving.

With these essential ingredients, equipment, and techniques, you’re ready to bake the best homemade brookie bars!

Step-by-Step Recipe Guide

Making brookie bars with brownie mix is an easy yet rewarding baking process. By following these step-by-step instructions, you’ll achieve perfectly layered brookies with a rich, fudgy brownie base and a chewy, golden cookie top.

Preparing the Brownie Layer

The brownie layer forms the foundation of the brookie bars, so getting the consistency right is key.

  1. Preheat the oven to 325°F (163°C). Lower temperatures help the layers bake evenly.
  2. Prepare a 9×13-inch baking pan by lining it with parchment paper or greasing it with non-stick spray.
  3. Mix the brownie batter according to the instructions on the package. If using a smaller-sized mix (for an 8×8 pan), prepare 1.5 boxes or use a recipe for a larger batch.
  4. Avoid overmixing—stir just until the ingredients combine to maintain a moist, fudgy texture.
  5. Pour the batter into the prepared baking dish, spreading it evenly using a rubber spatula.

Pro Tip: If you love extra chocolatey brookies, stir in chocolate chunks or a handful of mini chocolate chips into the batter before pouring it into the pan.

Preparing the Cookie Dough Layer

The cookie layer should be soft, chewy, and slightly crisp on top.

  1. In a separate bowl, whisk together:
    • 12 tbsp melted butter (slightly cooled)
    • 1 cup brown sugar and ½ cup granulated sugar
  2. Add 1 large egg, 1 egg yolk, and 2 tsp vanilla extract, mixing until smooth.
  3. Gently fold in 2 cups + 2 tbsp flour, ½ tsp baking soda, and ½ tsp salt until just combined.
  4. Stir in 1½ cups semi-sweet chocolate chips for a rich, chocolatey bite.
  5. Drop spoonfuls of cookie dough evenly over the brownie batter. Use your hands or a spatula to lightly spread it out—some brownie batter should still peek through.

Pro Tip: If the cookie dough is sticky, chill it for 10 minutes before layering to make it easier to handle.

Baking the Brookies

  1. Bake at 325°F (163°C) for 25-30 minutes. This lower temperature prevents over-browning while allowing both layers to bake through.
  2. Check for doneness by inserting a toothpick into the center:
    • If it comes out with wet brownie batter, bake for an additional 5 minutes.
    • If it comes out with a few moist crumbs, the brookies are ready!
    • If the top starts browning too quickly, loosely cover with aluminum foil for the last 10 minutes.
  3. Let the brookies rest in the pan for 10 minutes before transferring them to a wire rack.

Pro Tip: For extra gooey brookies, slightly underbake them by 2 minutes—carryover cooking will set the layers as they cool.

Cooling and Cutting Tips

  1. Cool completely for at least 1 hour before cutting to allow the layers to set. If you’re short on time, place the pan in the fridge for 30 minutes.
  2. Use a sharp knife or a plastic dough cutter for clean cuts.
  3. Wipe the knife with a warm, damp cloth between slices to prevent smudging.
  4. Cut into squares or bars, depending on your preference.

Pro Tip: For extra indulgent brookies, drizzle them with melted chocolate or serve warm with a scoop of vanilla ice cream!

Brookie Bars With Brownie Mix (2)

Customization, Storage, and FAQs

Variations & Customization Ideas

Brookie bars with brownie mix are delicious on their own, but you can easily customize them to suit different tastes and dietary preferences. Whether you’re adding extra flavors, making them gluten-free, or experimenting with creative serving ideas, these variations will take your brookies to the next level.

Flavor Variations

Adding different flavors can enhance the richness of brookie bars. Here are some easy ways to customize the taste:

  • Peanut Butter Swirls: Before baking, drop spoonfuls of creamy or crunchy peanut butter on top of the cookie dough layer and swirl it in with a knife. This adds a nutty flavor that pairs perfectly with chocolate.
  • Caramel Drizzle or Swirls: Drizzle caramel sauce between the brownie and cookie layers or swirl it into the brownie batter before baking for a gooey, caramel-infused treat.
  • Different Chocolate Chips: Instead of standard semi-sweet chocolate chips, try using:
    • White chocolate chips for a creamy sweetness
    • Dark chocolate chips for a rich, intense flavor
    • Butterscotch chips for a caramelized, buttery taste
  • Nutty Additions: Stir in chopped walnuts, pecans, or almonds to add crunch and depth to both layers.

Dietary Adjustments

Brookie bars can be made gluten-free or dairy-free with a few simple ingredient swaps:

  • Gluten-Free Brookies:
    • Use a gluten-free brownie mix and gluten-free flour blend for the cookie dough.
    • Make sure your chocolate chips and other mix-ins are labeled gluten-free.
  • Dairy-Free Brookies:
    • Replace butter with dairy-free alternatives like coconut oil or plant-based butter.
    • Use dairy-free chocolate chips, such as Enjoy Life or Hu brands.
    • Swap in almond milk or oat milk if additional liquid is needed.

Creative Serving Ideas

Brookie bars can be served in unique ways to enhance their flavor and presentation:

  • With Ice Cream or Whipped Cream: Warm up a brookie square and serve it with a scoop of vanilla ice cream or a dollop of fresh whipped cream for a classic dessert combination.
  • Drizzling with Chocolate or Caramel Sauce: Melt chocolate or caramel and drizzle it over the brookies before serving for an extra layer of indulgence.
  • Brookie Sundaes: Cut brookies into small cubes and layer them in a glass with ice cream, chocolate syrup, and whipped cream for a decadent sundae.
  • Dipping in Milk: Serve with a cold glass of milk for a nostalgic, comforting treat.

With these variations and customizations, you can make brookie bars uniquely your own while keeping them just as easy and delicious as the original.

Storage and Shelf Life

Proper storage ensures that brookie bars with brownie mix stay fresh, soft, and delicious for as long as possible. Whether you plan to enjoy them over a few days or store them for later, following these storage tips will help maintain their texture and flavor.

How to Store Brookies Properly

Brookies can be stored at room temperature or in the refrigerator, depending on how long you plan to keep them.

  • Room Temperature Storage (Best for up to 4 days)
    • Store brookies in an airtight container at room temperature to prevent them from drying out.
    • Place a piece of parchment paper between layers to keep them from sticking together.
    • If the weather is warm or humid, consider refrigerating them to prevent the chocolate from melting.
  • Refrigerator Storage (Best for up to 1 week)
    • For longer storage, place brookies in an airtight container and refrigerate.
    • To prevent them from becoming hard, wrap them individually in plastic wrap before placing them in the container.
    • Allow refrigerated brookies to come to room temperature before serving for the best texture.

Freezing and Reheating Tips

If you want to enjoy brookies later, freezing is the best option.

  • How to Freeze Brookies (Best for up to 3 months)
    • Let the brookies cool completely before freezing.
    • Wrap each piece tightly in plastic wrap and place them in a freezer-safe bag or container.
    • Label with the date for easy tracking.
  • How to Reheat Brookies for a Fresh-Baked Taste
    • Let frozen brookies thaw at room temperature for about 30 minutes before serving.
    • For a warm, gooey texture, microwave individual pieces for 10-15 seconds or heat in a 350°F oven for 5 minutes.

By following these storage and reheating methods, you can enjoy fresh, delicious brookie bars anytime without losing their signature texture and flavor.

Frequently Asked Questions (FAQs)

Many home bakers have questions about making brookie bars with brownie mix and how to customize or improve their texture and flavor. Here are answers to some of the most commonly asked questions.

Can you use brownie mix for Brookies?

Yes, brownie mix is perfect for making brookies because it simplifies the process while still delivering a rich, fudgy base. Just prepare the brownie mix according to the package instructions and layer it with homemade or pre-made cookie dough.

Can you mix brownie and cookie mix?

You can mix them, but it’s better to layer them instead. Combining the two batters results in a hybrid texture that may not allow each layer to stand out. By keeping them separate, you get a fudgy brownie base and a chewy cookie top.

What can be added to box brownie mix?

Enhance your brownie mix by adding:

  • Espresso powder for a deeper chocolate flavor
  • Chocolate chips or chunks for extra richness
  • Nuts like walnuts or pecans for crunch
  • Caramel or peanut butter swirls for added flavor

How do you embellish boxed brownie mix?

You can upgrade a basic brownie mix by using melted butter instead of oil, replacing water with milk or coffee, and adding an extra egg for a richer texture.

How to make Brookies with brownie mix and cookie dough (Reddit method)?

A popular Reddit shortcut involves using store-bought cookie dough and brownie mix. Simply spread the brownie batter into a pan and drop spoonfuls of cookie dough on top before baking.

What does adding vanilla to brownie mix do?

Vanilla extract enhances the sweetness and depth of chocolate flavor, making brownies taste richer.

What happens if you add an extra egg to brownie mix?

An extra egg makes brownies more cake-like instead of fudgy. Stick to the recommended number for a dense, chewy texture.

What does adding milk to brownie mix do?

Replacing water with milk adds creaminess and a richer taste, giving brownies a homemade texture.

What’s the difference between brownie batter and cookie batter?

  • Brownie batter is more liquid-like and spreadable, resulting in a dense, fudgy texture.
  • Cookie dough is thicker and holds its shape, producing a chewy, structured texture.

With these answers, you can confidently customize and perfect your brookie bars with brownie mix.

Brookie Bars With Brownie Mix (4)

Conclusion

Brookie bars with brownie mix are the perfect dessert for anyone who loves both fudgy brownies and chewy cookies. By combining two classic treats into one, brookies offer a rich, chocolatey flavor with a satisfying texture contrast. The best part is that using a boxed brownie mix makes the process quick and easy, while still delivering bakery-quality results.

With simple customizations and variations, brookies can be adapted to suit different tastes and dietary needs. Whether you prefer peanut butter swirls, caramel drizzle, or different types of chocolate chips, there are endless ways to make brookies your own. If you’re looking for gluten-free or dairy-free options, simple ingredient swaps allow you to enjoy this dessert without sacrificing flavor or texture.

Proper storage and reheating methods ensure that brookies stay fresh and delicious for days. Whether you’re keeping them at room temperature, refrigerating, or freezing, they can be enjoyed whenever a craving strikes. A quick warm-up in the microwave or oven brings back their fresh-from-the-oven gooeyness.

From preparation to serving, brookies are a fun and foolproof dessert that anyone can make. Whether you’re baking for a special occasion, sharing with friends and family, or indulging in a sweet treat at home, brookie bars are always a hit. Their simple ingredients, ease of preparation, and irresistible flavor make them a go-to dessert that never disappoints.

Now that you have a complete guide to making perfect brookie bars with brownie mix, it’s time to get baking. Try out different variations, experiment with flavors, and most importantly—enjoy every delicious bite.

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Brookie Bars With Brownie Mix

Brookie Bars with Brownie Mix: How to Make Them Extra


  • Author: Maria
  • Total Time: 45 minutes
  • Yield: 1216 bars 1x
  • Diet: Vegetarian

Description

Brookie bars with brownie mix are the ultimate dessert fusion, combining fudgy brownies with chewy chocolate chip cookies in one delicious treat. This quick and easy recipe uses a boxed brownie mix for convenience while delivering a rich, homemade flavor. Perfect for parties, bake sales, or satisfying a sweet craving, these bars are a must-try for chocolate lovers.


Ingredients

Scale

Brownie Layer

  • 1 box brownie mix (Ghirardelli, Betty Crocker, or Duncan Hines)
  • Ingredients required by the mix (typically eggs, oil, and water)

Cookie Layer

  • 12 tbsp butter, melted and slightly cooled
  • 1 cup brown sugar
  • ½ cup granulated sugar
  • 1 large egg + 1 egg yolk
  • 2 tsp vanilla extract
  • 2 cups + 2 tbsp all-purpose flour
  • ½ tsp baking soda
  • ½ tsp salt
  • 1½ cups semi-sweet chocolate chips

Instructions

  • Preheat the oven to 325°F (163°C). Line a 9×13-inch baking dish with parchment paper or grease it with non-stick spray.
  • Prepare the brownie layer by following the instructions on the brownie mix box. Pour the batter into the prepared baking dish and spread it evenly.
  • Make the cookie dough: In a large bowl, whisk together melted butter, brown sugar, and granulated sugar until smooth.
  • Add the egg, egg yolk, and vanilla extract, mixing until well combined.
  • In a separate bowl, whisk together the flour, baking soda, and salt. Gradually add this to the wet ingredients, stirring until just combined.
  • Fold in the chocolate chips and mix until evenly distributed.
  • Drop spoonfuls of cookie dough over the brownie batter. Use a spatula to gently spread it out without fully mixing the layers.
  • Bake for 25-30 minutes, or until the top is golden brown and a toothpick inserted into the center comes out with a few moist crumbs.
  • Allow the brookies to cool for at least 1 hour before slicing into squares.

Notes

  • For a fudgier texture, slightly underbake the brookies and let them set as they cool.
  • If using a larger brownie mix (for 9×13 pans), adjust the baking time as needed.
  • Store brookies in an airtight container at room temperature for up to 4 days, or refrigerate for up to a week.
  • To freeze, wrap individually and store in a freezer-safe container for up to 3 months.
  • Prep Time: 15 minutes
  • Cook Time: 30 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 bar
  • Calories: 320
  • Sugar: 28g
  • Sodium: 180mg
  • Fat: 14g
  • Saturated Fat: 8g
  • Unsaturated Fat: 5g
  • Trans Fat: 0g
  • Carbohydrates: 45g
  • Fiber: 2g
  • Protein: 3g
  • Cholesterol: 35mg

Keywords: brookie bars with brownie mix, brookie recipe, easy brookies, brownie cookie bars