Brownie Mix Chocolate Chunk Cookies

Highlighted under: Whisked & Baked

I love experimenting with dessert recipes, and these Brownie Mix Chocolate Chunk Cookies have quickly become a favorite in my household. They combine the fudgy richness of brownies with the classic cookie experience, resulting in a treat that’s both chewy and indulgent. Using brownie mix as the base not only saves time but also ensures a deep chocolate flavor that’s hard to resist. These cookies are perfect for satisfying a sweet tooth or impressing guests with minimal effort.

Camilla Rhodes

Created by

Camilla Rhodes

Last updated on 2026-02-24T05:52:47.315Z

Secondary image

When I first made these Brownie Mix Chocolate Chunk Cookies, I was blown away by how simple they were to prepare. The first tip I learned was to slightly underbake them, which keeps them gooey and moist on the inside. The rich chocolate chunks melt beautifully, adding an irresistible texture.

Using a quality brownie mix really makes a difference in flavor. I've tried various brands, and my go-to is one with a higher cocoa content, as it complements the chunks perfectly. If you love gooey cookies, these are a must-try!

Why You'll Love These Cookies

  • Deep chocolate flavor from brownie mix
  • Chewy texture with gooey chocolate chunks
  • Quick and easy recipe for busy bakers

The Role of Brownie Mix

Using brownie mix as the foundation for these cookies is a game changer. The brownie mix contributes a dense and fudgy texture, which contrasts beautifully with the chewy cookie format. This also simplifies the process, as the mix already has the right blend of cocoa, sugar, and leavening agents. If you want to experiment further, consider using a gluten-free brownie mix to accommodate dietary preferences while still achieving that delicious chocolate flavor.

Interestingly, opting for a higher-quality brownie mix can elevate your cookies even more. Look for blends with high cocoa content or those made with real chocolate to deepen the flavor further. Some mixes even contain premium ingredients like gourmet chocolate pieces, adding extra richness. Just keep in mind that not all mixes will react the same, so a little trial and error may be necessary when switching brands.

Perfecting the Texture

To achieve the ideal chewy texture, be careful not to overmix your dough after adding the chocolate chunks and nuts. Overmixing can lead to tougher cookies, detracting from that special brownie-like chewiness we love. Mix until just combined; the goal is a thick, rather sticky dough. If it looks a bit crumbly, don’t worry—this is normal and adds to the chewy character once baked.

Another important factor is the baking time. Keep an eye on the cookies during the last few minutes of baking. When the edges start to set and turn a light golden color, but the center looks slightly underbaked, it’s time to pull them out. They’ll continue to cook as they cool, leading to that perfect gooey center. If in doubt, remember: better slightly underbaked than overbaked!

Storage and Serving Ideas

These cookies can be stored in an airtight container for up to a week, though you might find they disappear much faster! For longer storage, consider freezing them. Let the cookies cool completely, then layer them with parchment paper in a freezer-safe bag. They can last up to three months in the freezer. When you’re ready to enjoy, simply thaw at room temperature or pop them in the microwave for a quick 15-20 seconds to regain that fresh-baked feel.

As for serving, these cookies are delightful on their own, but they can also be dressed up. Try pairing them with a scoop of vanilla ice cream for an indulgent dessert or drizzle with a bit of caramel or chocolate sauce. If you’d like to mix things up, consider incorporating different add-ins like peanut butter chips or dried fruits, which can complement the chocolate beautifully and add a unique twist to every batch.

Ingredients

Gather the following ingredients to make these delicious cookies:

Ingredients

  • 1 box brownie mix (9x13 size)
  • 1/2 cup vegetable oil
  • 2 large eggs
  • 1 cup chocolate chunks
  • 1/2 cup chopped nuts (optional)
  • 1/2 teaspoon vanilla extract
  • 1/4 teaspoon salt

Make sure to have your baking sheets lined with parchment paper while preparing the dough.

Instructions

Follow these simple steps to bake your cookies:

Preheat the Oven

Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper.

Mix Ingredients

In a large bowl, combine the brownie mix, vegetable oil, and eggs. Mix until smooth, then stir in chocolate chunks, nuts (if using), vanilla extract, and salt.

Scoop Dough

Using a cookie scoop or tablespoon, drop the dough onto the prepared baking sheets, spacing them about 2 inches apart.

Bake Cookies

Bake in the preheated oven for 10-12 minutes. Remove the cookies when the edges are set but the centers are still soft.

Cool and Enjoy

Allow the cookies to cool on the baking sheets for a few minutes before transferring them to a wire rack to cool completely.

Once cooled, these cookies can be stored in an airtight container for up to one week.

Pro Tips

  • For a fun twist, try adding toffee bits or peanut butter chips to the cookie dough for added flavor.

Troubleshooting Common Issues

If your cookies spread too much during baking, it’s likely that the dough was too warm. Ensure you chill the dough for about 30 minutes in the fridge if you notice they spread too much on the first batch. The cooler dough will hold its shape better as it bakes, leading to thicker, chewier cookies.

Conversely, if your cookies are too dry, check your oven temperature. Even a slight difference in temperature can significantly affect how the cookies bake. If you suspect your oven runs hot, consider lowering the temperature by 25°F (about 15°C) and watch the baking time closely. This adjustment can help retain that gooey center you’re aiming for.

Ingredient Substitutions

For a richer flavor, consider replacing the vegetable oil with melted coconut oil or unsalted butter. The coconut oil will impart a subtle tropical flavor that pairs well with chocolate, while butter will enhance the overall richness. If you need a dairy-free option, coconut oil is your best bet.

If you're looking to make these cookies a bit healthier, you can substitute half the chocolate chunks with your favorite nut butter. This change will not only reduce the overall sugar content but also add a nice nutty flavor that complements the chocolate beautifully.

Questions About Recipes

→ Can I use a different type of brownie mix?

Yes, you can use any brand of brownie mix, but keep in mind that different mixes may yield slightly different textures.

→ How long can I store these cookies?

The cookies can be stored in an airtight container at room temperature for up to one week.

→ Can I freeze the cookie dough?

Absolutely! You can scoop the dough onto a baking sheet and freeze it. Once frozen, transfer to a zip-top bag and store for up to three months.

→ What if I don’t have chocolate chunks?

You can substitute with chocolate chips or even chopped chocolate bars if you prefer.

Brownie Mix Chocolate Chunk Cookies

I love experimenting with dessert recipes, and these Brownie Mix Chocolate Chunk Cookies have quickly become a favorite in my household. They combine the fudgy richness of brownies with the classic cookie experience, resulting in a treat that’s both chewy and indulgent. Using brownie mix as the base not only saves time but also ensures a deep chocolate flavor that’s hard to resist. These cookies are perfect for satisfying a sweet tooth or impressing guests with minimal effort.

Prep Time10 minutes
Cooking Duration12 minutes
Overall Time22 minutes

Created by: Camilla Rhodes

Recipe Type: Whisked & Baked

Skill Level: Easy

Final Quantity: 12 cookies

What You'll Need

Ingredients

  1. 1 box brownie mix (9x13 size)
  2. 1/2 cup vegetable oil
  3. 2 large eggs
  4. 1 cup chocolate chunks
  5. 1/2 cup chopped nuts (optional)
  6. 1/2 teaspoon vanilla extract
  7. 1/4 teaspoon salt

How-To Steps

Step 01

Preheat your oven to 350°F (175°C). Line baking sheets with parchment paper.

Step 02

In a large bowl, combine the brownie mix, vegetable oil, and eggs. Mix until smooth, then stir in chocolate chunks, nuts (if using), vanilla extract, and salt.

Step 03

Using a cookie scoop or tablespoon, drop the dough onto the prepared baking sheets, spacing them about 2 inches apart.

Step 04

Bake in the preheated oven for 10-12 minutes. Remove the cookies when the edges are set but the centers are still soft.

Step 05

Allow the cookies to cool on the baking sheets for a few minutes before transferring them to a wire rack to cool completely.

Extra Tips

  1. For a fun twist, try adding toffee bits or peanut butter chips to the cookie dough for added flavor.

Nutritional Breakdown (Per Serving)

  • Calories: 250 kcal
  • Total Fat: 12g
  • Saturated Fat: 3g
  • Cholesterol: 30mg
  • Sodium: 95mg
  • Total Carbohydrates: 34g
  • Dietary Fiber: 1g
  • Sugars: 20g
  • Protein: 2g