Oh my gosh, have you ever had one of those days when you’re craving something sweet and seasonal, but you don’t want to spend hours in the kitchen? That’s exactly why I fell in love with these pumpkin brownies made with a boxed mix swirl! It’s my little secret for whipping up a cozy fall treat in no time. The pumpkin puree adds just the right amount of autumn flavor while keeping the brownies super moist. Plus, that beautiful marbled swirl makes them look like you spent way more effort than you actually did. Trust me, this is the kind of recipe you’ll turn to again and again when you need a quick dessert that still feels special.
Why You’ll Love These Pumpkin Brownies Boxed Mix Swirl
Let me tell you why this recipe is about to become your new best friend:
- Quick magic: From pantry to oven in 10 minutes flat – perfect for last-minute cravings!
- Easy-peasy: The boxed mix does most of the work, and the pumpkin swirl is foolproof.
- Autumn in every bite: That pumpkin spice swirl gives you all the cozy fall vibes without overpowering the chocolate.
- Moisture guarantee: The pumpkin keeps these brownies deliciously fudgy for days (if they last that long!).
Ingredients for Pumpkin Brownies Boxed Mix Swirl
Here’s exactly what you’ll need to make these swoon-worthy pumpkin brownies – trust me, you probably have most of this in your pantry already!
- 1 box brownie mix (I love using the fudge-style ones, but any 8×8-inch size will work)
- ½ cup pumpkin puree (not pumpkin pie filling – check the label!)
- 1 tsp pumpkin pie spice (or make your own with ½ tsp cinnamon + ¼ tsp each nutmeg and ginger)
- ¼ cup vegetable oil (I use canola, but melted coconut oil works too for extra flavor)
- ¼ cup water (just regular tap water is fine)
- 1 large egg (room temperature blends better – just set it out while you gather everything else)
See? Nothing fussy – just simple ingredients that come together to create something magical!
How to Make Pumpkin Brownies Boxed Mix Swirl
Okay, let’s get to the fun part – making these gorgeous pumpkin-swirled brownies! I promise it’s easier than you think, and that marbled effect will make you look like a baking pro. Just follow these simple steps, and you’ll be pulling a pan of autumn magic out of your oven in no time.
Step 1: Prepare the Brownie Batter
First things first – preheat that oven to 350°F (175°C) and grab your favorite 8×8-inch baking pan. Give it a quick grease with some butter or cooking spray – trust me, you don’t want your beautiful brownies sticking! Now, in a medium bowl, mix together the brownie mix, oil, water, and egg just until combined. The batter should be thick and glossy – don’t overmix it or your brownies might turn out tough. A few small lumps are totally fine!
Step 2: Make the Pumpkin Swirl
In another bowl (or heck, you can even use that same measuring cup you used for the pumpkin), stir together the pumpkin puree and pumpkin pie spice. It’ll look like a little bowl of orange happiness! The mixture should be thick but still pourable – if it seems too stiff, you can add a teaspoon of water to loosen it up. Now take a big whiff – that’s the smell of fall, my friend!
Step 3: Layer and Swirl
Here’s where the magic happens! Pour about half of the brownie batter into your prepared pan and spread it evenly. Now dollop spoonfuls of the pumpkin mixture all over the top – don’t be shy! Take a butter knife or a toothpick and gently swirl it through the batter. The trick here is to make big, confident swoops – don’t overdo it or you’ll lose that beautiful marbled effect. I usually do about 5-6 passes max.
Step 4: Bake and Cool
Pop that beauty in the oven for 25-30 minutes. You’ll know they’re done when the edges look set but the center still has a little jiggle to it. Stick a toothpick in – you want a few moist crumbs clinging to it, not wet batter. Now here’s the hard part: let them cool completely in the pan! I know it’s tempting, but if you cut them too soon, they’ll fall apart. Give them at least an hour to set up properly – it’s worth the wait, I promise!
Tips for Perfect Pumpkin Brownies Boxed Mix Swirl
Want to make sure your pumpkin brownies turn out absolutely irresistible every time? Here are my tried-and-true secrets:
- The toothpick test is your friend: Pull them out when the pick has a few moist crumbs – clean means overbaked!
- Boost the flavor: Add ½ tsp cinnamon to the brownie batter for extra warmth that pairs perfectly with pumpkin.
- Swirl with confidence: Use a butter knife and make big, bold swirls – timid little swirls disappear when baked.
- Wait to cut: Let them cool completely (I know, torture!) for clean slices that won’t fall apart.
Variations for Pumpkin Brownies Boxed Mix Swirl
Want to mix things up? Oh, I’ve played around with this recipe so many ways! Try folding in a handful of chocolate chips or chopped pecans for extra texture. Out of pumpkin? Sweet potato puree works beautifully too. For a decadent twist, swirl in some cream cheese mixed with powdered sugar instead of pumpkin. The possibilities are endless – have fun with it!
Serving and Storing Pumpkin Brownies Boxed Mix Swirl
Oh, these beauties deserve to be served with flair! I love plating them warm (just 10 seconds in the microwave does the trick) with a scoop of vanilla ice cream melting over the top – the contrast of cold and warm is heavenly. My neighbor swears they’re best with a strong cup of coffee in the afternoon. Store any leftovers (ha!) in an airtight container at room temp for 3 days, or freeze them layered between parchment paper for up to 2 months. Pro tip: frozen brownies make amazing ice cream sandwiches!
Nutritional Information
Just a heads up – these numbers are estimates since brands vary. Each pumpkin brownie gives you that perfect balance of chocolatey goodness and pumpkin spice warmth. Remember, portion sizes are totally up to you (no judgment if you sneak an extra one!).
FAQ About Pumpkin Brownies Boxed Mix Swirl
Got questions? I’ve got answers! Here are the things people ask me most about these pumpkin brownies:
Can I use homemade brownie batter instead of a box mix? Absolutely! Use your favorite homemade recipe – just make sure it’s enough for an 8×8-inch pan. The pumpkin swirl works beautifully with any rich, chocolatey batter. You might need to adjust baking time slightly since homemade batters can vary in thickness.
How can I make these dairy-free? Super easy! Just pick a dairy-free brownie mix (check the label) and use coconut oil instead of butter for greasing the pan. The pumpkin swirl is naturally dairy-free already. I’ve made them this way for my lactose-intolerant friends, and they couldn’t tell the difference!
Can I double this recipe? You bet! Double all ingredients and bake in a 9×13-inch pan. Keep an eye on them – they might need 5-10 extra minutes in the oven. The pumpkin swirl looks especially impressive on this larger scale – perfect for potlucks!

20-Minute Pumpkin Brownies Boxed Mix Swirl
- Total Time: 35 mins
- Yield: 9 brownies 1x
- Diet: Vegetarian
Description
Easy pumpkin brownies made with a boxed mix and swirled with pumpkin puree for a seasonal twist.
Ingredients
- 1 box brownie mix
- 1/2 cup pumpkin puree
- 1 tsp pumpkin pie spice
- 1/4 cup vegetable oil
- 1/4 cup water
- 1 egg
Instructions
- Preheat oven to 350°F (175°C). Grease an 8×8-inch baking pan.
- In a bowl, mix brownie batter according to package instructions using oil, water, and egg.
- In another bowl, combine pumpkin puree and pumpkin pie spice.
- Pour half the brownie batter into the pan. Spoon pumpkin mixture over it. Swirl with a knife.
- Pour remaining batter and swirl again. Bake for 25-30 minutes. Cool before cutting.
Notes
- Use a toothpick to check doneness—it should come out with a few moist crumbs.
- For extra flavor, add a pinch of cinnamon to the brownie batter.
- Prep Time: 10 mins
- Cook Time: 25 mins
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 brownie
- Calories: 180
- Sugar: 18g
- Sodium: 120mg
- Fat: 8g
- Saturated Fat: 2g
- Unsaturated Fat: 5g
- Trans Fat: 0g
- Carbohydrates: 25g
- Fiber: 1g
- Protein: 2g
- Cholesterol: 20mg