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 cookies
Ingredients: 1 box of brownie mix (approx. 18.4 oz); 1/2 cup vegetable oil; 2 large eggs; 1 cup chocolate chunk pieces; 1/2 cup chopped nuts (optional)

Highlighted under: Timeless Desserts

I love making these Brownie Mix Chocolate Chunk Cookies because they are so easy to whip up! Using a brownie mix elevates the flavor and texture, making them rich and fudgy. You won’t believe how quickly they come together, and they disappear just as fast. I often make these for gatherings, and they always get rave reviews. They are perfect for satisfying that chocolate craving with minimal effort, and I find myself going back for seconds every time!

Created by

Adele Summers

Last updated on 2026-02-23T23:28:46.578Z

After experimenting with various cookie recipes, I found myself using a brownie mix one day, and it changed everything! The resulting cookies were more decadent than I had anticipated. The key is to not overbake them; I set my timer for 10 minutes and then check them. They may look soft but will firm up as they cool.

Another tip I learned is to fold in extra chocolate chunks. This not only heightens the chocolate flavor but also creates delightful pockets of melty chocolate in each bite. I always keep some ready in an airtight container, and they stay delicious for several days!

Why You Will Love These Cookies
Intensely rich chocolate flavor with chunks of chocolate throughout
Fudgy texture that is chewy on the inside and slightly crisp on the edges
Quick and simple to prepare, perfect for last-minute cravings or parties

Baking Tips for Perfect Cookies

For the best results, preheat your oven to 350°F (175°C) before you start mixing your ingredients. This ensures that your cookies bake evenly. Keep an eye on them as they bake; you're aiming for a glossy finish and a slight puff in the center. If you see the edges turning golden, it's a good sign they're almost ready. The total baking time should be between 10 to 12 minutes, but it can vary slightly depending on your oven.

When shaping your cookie dough, stick to the recommended 2-inch spacing on the baking sheet. This allows them to expand without merging into each other. I find that using a cookie scoop helps maintain uniform size, which contributes to even baking. If your dough seems too sticky, you can refrigerate it for about 15 minutes before scooping to make handling easier.

Ingredient Insights

The star of this recipe is the brownie mix, which pulls double duty as both the base flavor and the structure of the cookies. This shortcut not only saves time but also intensifies the chocolate experience. If you're in a pinch or looking for a gluten-free option, consider using a gluten-free brownie mix instead—just ensure all other ingredients are also certified gluten-free.

Vegetable oil is the fat of choice here, contributing to the fudgy texture typical of brownies. If you want to experiment with flavors, you can substitute with melted coconut oil or even unsalted butter, but keep in mind that these alternatives may alter the texture slightly. Using butter will make the cookies a bit richer, while coconut oil can add a subtle flavor.

Ingredients

Gather all the ingredients before starting for a smooth baking experience.

Ingredients for Cookies

1 box of brownie mix (approx. 18.4 oz)
1/2 cup vegetable oil
2 large eggs
1 cup chocolate chunk pieces
1/2 cup chopped nuts (optional)

Ensure you have everything ready to bake!

Instructions

Preheat your oven for the best results.

Prepare the Dough

In a mixing bowl, combine the brownie mix, vegetable oil, and eggs. Stir until well combined. The dough will be thick; that's normal!

Fold in Chocolate Chunks

Gently fold in the chocolate chunk pieces and chopped nuts (if using) until evenly distributed.

Shape and Bake

Using a spoon, scoop out dough balls and place them on a baking sheet lined with parchment paper, spacing them about 2 inches apart. Bake for 10-12 minutes.

Cool Down

Once baked, let the cookies cool on the baking sheet for 5 minutes before transferring them to a wire rack to cool completely.

Enjoy your fresh cookies with a glass of milk!

Pro Tips

For an extra touch, sprinkle a bit of sea salt on top of the cookies right after baking.

Storing and Freezing Cookies

These Brownie Mix Chocolate Chunk Cookies can be stored in an airtight container at room temperature for up to one week. If you want to maintain their texture, place a slice of bread in the container; it helps keep the cookies soft. Just remember to replace the bread slice as it dries out.

If you're looking to prepare ahead, these cookies freeze beautifully. Once cooled, layer them between parchment paper in an airtight container, and they can be frozen for up to three months. When you're ready to enjoy, simply thaw them at room temperature for a couple of hours or microwave them for about 10-15 seconds to bring back the warmth.

Customizing Your Cookies

Feel free to personalize your cookies by mixing in different add-ins. You can swap out the chocolate chunks for caramel pieces, white chocolate, or even dried fruit for a different spin. To amp up the flavor, consider adding a teaspoon of vanilla extract to the dough; it enhances the overall taste without overpowering the chocolate.

If you're a fan of nuts, don't skip the chopped nuts option! Pecans or walnuts work beautifully, offering a pleasant contrast in texture against the soft, fudgy cookie. Be mindful of any allergies when serving, though—especially in gatherings—since nuts can be a common allergen.

Questions About Recipes

→ Can I use a different flavor of brownie mix?

Absolutely! Any flavor of brownie mix will work well; just adjust the chocolate chunk type accordingly.

→ How do I store leftover cookies?

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

→ Can I freeze the cookie dough?

Yes! You can freeze the cookie dough for up to 3 months. Just scoop them into balls and freeze them on a lined tray before transferring to a freezer bag.

→ What if I don't have chocolate chunks?

You can use chocolate chips, or even white chocolate or caramel chips for a different flavor.