PECAN PIE BROWNIE

Get ready for a fun family scramble with these pecan pie brownies — a fudgy chocolate brownie layered with a rich, sweet pecan pie topping that will have everyone racing for seconds!
These decadent yet easy-to-make pecan pie brownies shine any time of the year, especially during Thanksgiving. Using a boxed brownie mix keeps things quick and fuss-free, while the pecan pie topping comes together with just a handful of ingredients: pecans, melted butter, corn syrup, sugar, and eggs. This combination creates an unforgettable dessert that’s sure to impress.
Some flavor combos were just meant to be. Chocolate and pecans? Absolutely one of them. The fudgy, rich chocolate brownie base topped with sweet, crunchy pecans creates a texture and flavor match made in heaven! My kids always jump at the chance to help with measuring and mixing — although, let’s be honest, their main motivation is the delicious reward after baking. I can’t blame them; I’m right there for the yum factor, too.
Ready to kick off your next dessert obsession? These pecan pie brownies pack rich chocolate underneath a glossy, nutty pecan topping for a sweet and satisfying treat. It’s perfect for sharing — but don’t be surprised if everyone’s eyeing that last bite!
Why These Brownies Shine
Simply put: these brownies are rich, fuss-free, and perfect for sharing. If you’re a fan of fudgy brownies topped with a buttery, crunchy pecan pie layer, this recipe gives you exactly that with minimal effort. Here’s what makes these pecan pie brownies special:
- Delicious texture contrast: gooey, fudgy brownies underneath a sticky, sweet, and crunchy pecan topping create an irresistible bite every time.
- Quick & easy: Just about 10 minutes of actual prep and less than 2 hours overall, including cooling time. Using a family-size boxed brownie mix saves you time and keeps it simple without sacrificing flavor.
- Kid- and crowd-pleaser: simple steps that little helpers can join in (like stirring and sprinkling pecans), plus a hearty batch of around 20 squares — perfect for parties, holidays, or bake sales.
- Make ahead & freezer-friendly: keep these brownies covered on the counter for up to 4 days or freeze well-wrapped for up to 3 months— great for busy schedules ahead of gatherings.
- Customizable flavors: swap out corn syrup for maple syrup, agave, or honey; use whole or chopped pecans depending on your preference; or try your own homemade brownie recipe in place of the mix.
- Simple prep: one bowl for the topping, no tricky steps, just pour it right on halfway through baking.
- Beautiful presentation: topped with whole pecans, these brownies look like you bought them at a fancy bakery — perfect for holiday dessert tables or gifting.
With minimal effort, these pecan pie brownies turn two classic desserts into one showstopper that’s sure to get rave reviews every time.
Ingredients for Brownie and Topping

- 1 box family-size brownie mix plus ingredients to prepare (see note)
- 1 cup granulated sugar
- 1 ½ cups corn syrup
- 4 eggs
- ¼ cup unsalted butter, melted
- 1 ½ teaspoons vanilla extract
- 2 cups pecans, chopped or whole
Baking and Topping Steps
- Preheat oven to 350°F and grease a 9×13-inch baking pan.
- Prepare the family-size boxed brownie mix according to package instructions and pour the batter evenly into the prepared pan.
- Bake the brownies for 20 minutes (about 10 minutes less than package directions).
- While the brownies bake, whisk together 1 cup granulated sugar, 1½ cups corn syrup, 4 eggs, ¼ cup melted unsalted butter, and 1½ teaspoons vanilla until smooth, then stir in 2 cups pecans.
- Remove the partially baked brownies from the oven and spread the pecan pie topping evenly over the surface.
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Return the pan to the oven and bake an additional 25–35 minutes, until the topping is just set and jiggles slightly in the center when shaken.

- Remove from the oven and let the brownies cool completely.
- Cut the cooled brownies into 20 squares.
Pro Tips for Best Results
- A family-size brownie mix is perfect for a 9×13 pan. If you can’t find this size, just grab two regular boxes and combine them. Homemade brownie recipes will work well too if scaled properly.
- Don’t bake the brownies all the way through before adding the topping. Pull them out at about 20 minutes or roughly 10 minutes before they’re done, depending on your brownie mix’s directions. This keeps the brownie layer soft and prevents the pecan topping from sinking.
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Both chopped and whole pecans are great here. Choose chopped if you want easier slicing and even nut distribution, or go whole for a rustic, crunchy look on top.
Flavor Swaps and Add-Ins
Corn syrup works well to give that classic sticky pecan pie texture, and it’s budget-friendly too. If you prefer, you can swap in agave syrup, pure maple syrup, or honey. Just make sure you have about 1 ½ cups of your chosen syrup. Keep in mind that each option will subtly change the flavor, so pick what fits your taste best!
Storing, Freezing, and Reheating
We all know fresh baked is best, but these pecan pie brownies actually keep pretty well! Store them covered at room temperature for up to four days, or pop them in the fridge if you need them to last longer. They’re freezer-friendly too — once completely cooled, wrap tightly in plastic and place in a freezer bag or airtight container. Frozen brownies will keep for up to three months. When you’re ready, thaw in the fridge, then heat a piece for a few seconds in the microwave to enjoy warm.

Answers to Common Questions
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Do I have to use corn syrup in the topping?
Nope! The recipe calls for 1½ cups of a sweet syrup to get that classic pecan pie texture. You can easily swap in agave, maple syrup, or honey — just expect a slight flavor change depending on your choice.
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How long will the brownies keep?
Keep them covered at room temperature or in the fridge for up to 4 days. If freezing, wrap them well and store for up to 3 months.
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Can I use a homemade brownie recipe or a different size box?
Absolutely! A family-size mix is designed for a 9×13 pan. If you can’t find one, use two regular boxes or simply make your favorite homemade brownie batter scaled for that pan size.
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When should I add the pecan pie topping?
You want to top the brownies when they’re mostly set but not finished. Usually, that’s about 20 minutes into baking or 10 minutes before the package instructions say they’re done. This keeps the brownies soft and stops the pecan topping from sinking.
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Chopped or whole pecans — which should I use?
Both work great! Chopped pecans make slicing easier and distribute the nuts evenly, while whole pecans give a bold, crunchy look on top.
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Can I make these egg-free or nut-free?
The eggs add structure, and the pecans give the topping its classic flavor and crunch. If you try egg substitutes like flax eggs, results might vary, and it won’t be quite the same. For nut allergies, you’ll want a different topping since pecans are the star here.
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How many brownies does this recipe make and what’s the calorie count?
You’ll get about 20 tasty squares, each with roughly 373 calories based on nutrition info.

Fudgy chocolate brownies topped with a rich and sweet pecan pie topping, combining two classic desserts into one delicious treat.
- Prep Time: 10 minutes
- Cook Time: 45 minutes
- Total Time: 1 hour 55 minutes
- Yield: 20 brownies 1x
- Category: Dessert
- Cuisine: American
Ingredients
- 1 box family-size brownie mix plus ingredients to prepare (see note)
- 1 cup granulated sugar
- 1 ½ cups corn syrup
- 4 eggs
- ¼ cup unsalted butter, melted
- 1 ½ teaspoons vanilla extract
- 2 cups pecans, chopped or whole
Instructions
- Preheat your oven to 350°F. Grease a 9×13-inch baking pan — glass or metal — and set it aside.
- Mix the brownie batter as instructed on the box. Pour the batter evenly into the prepared pan.
- Bake the brownies for 20 minutes, which is about 10 minutes less than the package suggests.
- While the brownies are baking, whisk together sugar, corn syrup, eggs, melted butter, and vanilla extract in a medium bowl until smooth. Stir in the pecans until well combined.
- Once the brownies have partially baked, pull the pan from the oven and spread the pecan pie topping evenly over the surface.
- Return the pan to the oven and bake for an additional 25 to 35 minutes, or until the topping jiggles slightly in the center when shaken.
- Remove the brownies from the oven and let cool completely before cutting into 20 squares and serving.
Notes
If you can’t find a family-size brownie mix made for a 9×13 pan, use two regular-sized boxes for 8×8 pans and prepare together or swap in your favorite homemade brownie recipe scaled to fit a 9×13 pan., Both chopped and whole pecans work well; chopped pecans make slicing easier and distribute nuts evenly while whole pecans give a rustic look., Do not bake the brownies fully before adding topping to keep brownie layer soft and prevent pecan topping from sinking., Corn syrup can be swapped with agave syrup, pure maple syrup, or honey to adjust flavor and texture., Store covered at room temperature for up to 4 days or freeze well-wrapped for up to 3 months.
Nutrition
- Serving Size: 1 brownie
- Calories: 373 kcal
- Fat: 11 g
- Carbohydrates: 32 g
- Protein: 2 g
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