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Home » Recipes » Dessert

Easy 4-Ingredient Brownie Mix Cookies

Modified: Nov 18, 2025 · Published: Apr 8, 2025 by Marni Katz · This post may contain affiliate links ·

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Chocolate is a love language in our house, especially after Shabbat dinner. Most weeks, I grab a boxed brownie mix and 9x13 pan, but sometimes I want something a little more fun or individual treats. That's how these brownie mix cookies were born: chewy, fudgy, and just as easy as mixing up a batch of brownies. Don't feel like turning on the oven? Try my brownie batter dip, a no-bake, chocolatey treat that satisfies every chocoholic I know.

brownie mix cookies stacked 5 high with a glass of milk in background.


 

TL;DR - Brownie Mix Cookie Recipe

✨ Everything you need to know at a glance:

  • 🍫 Why you'll love it: Fudgy like a brownie, chewy like a cookie but from a box mix!
  • 🧁 Ingredients: 4 pantry staples
  • 🔥 How to make it: Mix → scoop → bake → cool. That's it.
  • ⏲️ Time: 20 minutes start to finish.
  • ❄️ Storage: Keeps 4-5 days in an airtight container or freeze up to 2 months.
  • 🍪 Why it's different: Unlike typical brownie cookies that start from scratch this version uses a boxed mix for consistent results every time. It's the same method as my popular funfetti cookies and lemon cake mix cookies.

Like the idea of mix-ins in your cookies? Let AI help find the best one!

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Jump to:
  • TL;DR - Brownie Mix Cookie Recipe
  • Key Ingredients
  • Variations to Try
  • 3 tips for Perfect Brownie Cookies
  • Step by step instructions for brownie cookies
  • Recipe FAQs
  • More simple desserts you'll love
  • 📖 Recipe

Key Ingredients

ingredients for brownie mix cookies.
  • Brownie mix: I've tested this with both Duncan Hines and Ghirardelli. Stick to classic fudge or chewy brownie mixes, avoiding "extra-chunky" varieties.
  • Eggs: Large eggs, as always.
  • Oil: I use vegetable oil, but you could substitute with a stick of unsalted butter.

Variations to Try

  • Add-ins: Try chocolate chips, butterscotch chips, chopped nuts, mini m&m's or even a swirl of tahini like I do in these tahini swirl brownies.
  • Mint Twist: Use a mint brownie mix and throw in some chopped Andes mints as you are mixing up the batter.
  • Spiced Brownie Cookies: Add a pinch of cinnamon and cayenne to the batter for a Mexican hot chocolate vibe.
  • Cookie Sandwich: Kinda like my chocolate sandwich cookies, but make it a brownie sandwich. Add a spoonful of frosting, marshmallow fluff, or even ice cream between two cookies for a next-level treat.
brownie cookies with butterscotch chips.

brownie cookies next to a glass of milk.

3 tips for Perfect Brownie Cookies

  • Don't over-mix. Stir just until combined for a soft, fudgy center.
  • Scoop evenly. A small cookie scoop helps every cookie bake the same.
  • Bake by sight. Edges set, centers shiny = done.
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🩶Marni

Step by step instructions for brownie cookies

brownie mix with eggs, water and oil in a mixing bowl

Step 1: Mix it up.
In a large mixing bowl, add the brownie mix, eggs, oil, and water. Stir with a wooden spoon or spatula until everything is just combined. It'll be thicker than regular brownie batter-don't worry, that's what we want!

cookie dough on a parchment lined baking sheet

Step 2: Scoop the dough.
Use a cookie scoop (or a tablespoon) to portion the dough onto a parchment-lined baking sheet. Leave a little space between cookies, they'll spread just a bit.

baked cookies on parchment lined baking sheet

Step 3: Bake.
Pop into a preheated oven at 350°F for 9-11 minutes. You want to see a crinkly top but still have soft centers. Don't overbake!

brownie cookies on a serving plate

Step 4: Cool.
Let them rest on the pan while they cool This helps them set before you serve them.

Serving Ideas: These brownie mix cookies are a perfect Shabbat dessert upgrade, serve them warm with a scoop of ice cream or serve up a cookie buffet with funfetti cookies and lemon cake mix cookies. They also make a great lunchbox treat! Just wrap in parchment paper, pop it in the lunchbox and your kiddo gets a sweet surprise when then need it most.

brownie cookies separated by parchment paper on a plate

Recipe FAQs

Can I make them gluten-free brownie cookies?

Yes! Use a gluten-free brownie mix and check the label on add-ins like chips.

How do I store brownie cookies?

Storing the cookies: Keep your brownie cookies in an airtight container at room temp for up to 4 days.
Freeze: You can freeze the baked cookies. Baked and cooled cookies can go right into a ziptop bag.  Try to squeeze out as much air as you can to help them stay fresh!

Can I add mix-ins to my brownie cookies?


Absolutely! Try white chocolate chips, crushed Oreos, or mini M&Ms. Just keep the total amount of add-ins under 1 cup.

Can I use any brand of brownie mix?

Yes, Duncan Hines, Ghirardelli, Betty Crocker, or Pillsbury all work. Just stick to a 18-19 oz box.

Did you try this recipe and and love it? 😍 Let me know by leaving a comment below or 5 ⭐ rating!

And make sure to sign up for my newsletter and follow along on Instagram, Pinterest, and Facebook for more simple recipes! Remember to tag us on social channels when you make a recipe at #simplegraytshirt! I 💖 seeing what you're up to in the kitchen!

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📖 Recipe

brownie mix cookies stacked 5 high with a glass of milk in background

4-Ingredient Brownie Mix Cookies

Marni Katz
These fudgy brownie mix cookies are the shortcut dessert your chocolate-loving crew will flip for. Made with boxed brownie mix and just a handful of pantry staples, they're chewy, chocolatey, and totally weeknight-friendly. Perfect for dessert, lunchboxes, or late-night cravings!
5 from 1 vote
Print Recipe Pin Recipe Save Recipe Saved!
Prep Time 5 minutes mins
Cook Time 12 minutes mins
Total Time 17 minutes mins
Course Dessert
Cuisine American
Servings 24 cookies
Calories 47 kcal

Ingredients
  

  • 1 Boxed Brownie Mix (Duncan Hines Chewy Brownie mix is our preferred brand, with Ghiradelli a close second)
  • 2 eggs
  • ½ cup oil
  • 2 TB water

Instructions
 

  • Preheat your oven to 350 degrees and line a baking tray with parchment paper.
  • In a large mixing bowl, add the brownie mix, eggs, oil and water. Stir just until you can't see any more dry cake mix, being careful not to overmix.
  • Using a cookie scoop, scoop the cookie dough onto your prepared baking tray, leaving about 2" between dough balls.
  • Bake for 8-10 minutes until you see cracks on the top of the cookies, being careful not to overbake them. Remove from the oven and let cool on the baking tray until set.

Notes

To make brownie sandwich cookies: Let the cookies cool completely before filling.  Then fill with either vanilla frosting or ice cream.  For ice cream, wrap each one individually in plastic wrap, then pop into a zip top bag to freeze.
Freezing Instructions: I suggest baking the cookies as directed and freezing them once baked. They will last in the freezer for up to 2 months.

Nutrition

Calories: 47kcalCarbohydrates: 0.1gProtein: 0.5gFat: 5gSaturated Fat: 0.5gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.02gCholesterol: 14mgSodium: 5mgPotassium: 5mgSugar: 0.03gVitamin A: 20IUCalcium: 2mgIron: 0.1mg
Tried this recipe?Let me know what you think!

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About Marni Katz

Marni Katz is the recipe developer, photographer and writer behind Simple Gray T-Shirt. She wants to help people keep things simple in the kitchen. With simple recipes, easy menu ideas and plenty of tips and tricks along the way, she wants getting a meal on the table to be as simple as putting on your favorite gray tee!
"I want to inspire you to get back in the kitchen and do this, because you can!"

Comments

  1. Marni Katz says

    September 04, 2025 at 1:14 pm

    5 stars
    I love baking brownies, but when I need a chocolate fix but also need to not eat the entire pan, this is my go to recipe.

    Reply
5 from 1 vote

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As a busy mom of three, I believe in keeping recipes simple. 7-ingredients or less is my goal, and everything is kid-tested and approved!

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