Brownie Mix Chocolate Chunk Cookies

Name: Brownie Mix Chocolate Chunk Cookies
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Yield: 24.0
Ingredients: 1 box brownie mix (18.4 oz); 1/2 cup unsalted butter, melted; 2 large eggs; 1/2 cup chocolate chunks; 1/4 cup walnuts (optional); 1 teaspoon vanilla extract

Highlighted under: Basic Kitchen

I love baking cookies, and these Brownie Mix Chocolate Chunk Cookies have quickly become my favorite treat! Using a brownie mix as the base gives them an incredibly rich and fudgy texture that is hard to resist. In just a few minutes, I can whip up a batch that is perfect for satisfying a chocolate craving or impressing my friends at a gathering. Each cookie is loaded with gooey chocolate chunks that melt in your mouth, making them a delightful indulgence that I can’t get enough of.

Created by

Gemma Hollis

Last updated on 2026-02-24T02:02:37.132Z

When I first decided to use a brownie mix for cookies, I was skeptical. But wow, the result was absolutely amazing! The cookies turned out to be soft and chewy, with a dense richness that is usually reserved for brownies. I found that chilling the dough for just a bit before baking really helped them hold their shape and retain that delicious fudgy texture.

One of my favorite tips is to add nuts or a sprinkle of sea salt on top before baking for an extra burst of flavor. It takes these cookies to the next level, adding a contrast that balances the sweetness beautifully.

Why You'll Love These Cookies
Incredibly rich and fudgy texture that chocolate lovers crave
Quick and easy to make with just a few ingredients
Loaded with gooey chocolate chunks in every bite

Understanding the Ingredients

The foundation of these Brownie Mix Chocolate Chunk Cookies lies in the brownie mix itself. Using a pre-packaged mix not only streamlines the process but also ensures a rich, chocolaty flavor that can be hard to replicate from scratch. When choosing your brownie mix, look for one that contains real cocoa for the best flavor. The melted butter adds moisture and helps create that fudgy texture we all love in a brownie, contributing to a more luscious cookie.

Eggs play a crucial role in providing structure and moisture. In this recipe, using two large eggs ensures the cookies will rise adequately while remaining soft in the center. It’s essential not to overmix your dough after adding the eggs; just stir until combined to maintain that tender texture. If you need a dairy-free option, consider using a plant-based butter substitute and flax eggs to achieve similar binding and moisture.

Baking Tips for Perfect Cookies

Baking time can vary based on your oven and how chewy you want your cookies. Aim for a bake time of 10-12 minutes, but start checking at the 10-minute mark. The cookies should appear set around the edges but slightly soft in the center. This will yield a fudgy consistency, but if you prefer a firmer cookie, extend the baking time by a couple of minutes. Keep in mind that they’ll continue to firm up as they cool.

When dropping your dough onto the baking sheet, make sure to leave enough space between each tablespoon of dough. This is crucial for allowing the cookies to spread evenly, resulting in a nice, round shape. If they touch during baking, they will merge into one large cookie! To achieve uniform sizes, using a cookie scoop can make your life easier and result in consistently baked cookies.

Ingredients

For the Cookies

1 box brownie mix (18.4 oz)
1/2 cup unsalted butter, melted
2 large eggs
1/2 cup chocolate chunks
1/4 cup walnuts (optional)
1 teaspoon vanilla extract

Instructions

Preheat the Oven

Preheat your oven to 350°F (175°C) and line a baking sheet with parchment paper.

Mix Ingredients

In a large bowl, combine the brownie mix, melted butter, eggs, and vanilla extract. Stir until just combined.

Add Extras

Fold in the chocolate chunks and walnuts if using, ensuring they are evenly distributed throughout the dough.

Scoop and Bake

Using a cookie scoop or spoon, drop tablespoons of dough onto the prepared baking sheet, leaving space between each one. Bake for 10-12 minutes.

Cool and Enjoy

Allow the cookies to cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely. Enjoy your delicious cookies!

Pro Tips

For an even richer flavor, use dark chocolate chunks instead of semi-sweet.

Storage and Make-Ahead Tips

These cookies can be stored in an airtight container at room temperature for up to 4 days, though I doubt they'll last that long! For longer storage, you can freeze the cookie dough before baking. Simply scoop the dough onto a baking sheet and freeze until solid. Transfer the dough balls to a zip-top bag and keep them frozen for up to 3 months. When you're ready to bake, no need to thaw; just add a few extra minutes to the baking time.

If you already have baked cookies left over, you can freeze those too! Place them in a single layer on a baking sheet until frozen, then transfer them to a freezer-safe container. To enjoy, just pop them in the microwave for about 15-20 seconds or let them come to room temperature for a soft treat.

Serving Suggestions

For a more decadent treat, try serving these cookies warm with a scoop of vanilla ice cream on top. The contrast of the warm, fudgy cookie with cold ice cream creates an irresistible dessert. You could also drizzle some chocolate sauce over the top for an extra indulgent touch.

These cookies make great edible gifts. Consider packaging them in decorative boxes or tins. You can even create themed gift sets by pairing them with homemade hot chocolate mix or a jar of gourmet coffee. A little note about how to reheat them could make them even more special for the recipient!

Questions About Recipes

→ Can I use a different type of brownie mix?

Absolutely! Feel free to experiment with different flavors, such as red velvet or blondie mixes.

→ How do I store the cookies?

Store them in an airtight container at room temperature for up to a week.

→ Can I freeze the cookie dough?

Yes, you can freeze the unbaked dough. Just scoop them onto a baking sheet, freeze until solid, then transfer to a Ziplock bag.

→ What can I add to customize the cookies?

You can add any mix-ins you like, such as dried fruit, toffee bits, or even marshmallows!