Chewy REESE’S PIECES Peanut Butter Brownies Recipe

Chewy REESE’S PIECES Peanut Butter Brownies: The Ultimate Chocolate Peanut Butter Dream

⚖️
Difficulty
Easy
⏲️
Prep Time
15 mins
🕒
Cook Time
30 mins
⏱️
Total Time
45 mins
🍽️
Servings
12-16

Oh, the aroma! It’s a crisp autumn afternoon here in New York City, and the scent wafting from my kitchen is pure magic – a fusion of rich chocolate, sweet peanut butter, and that irresistible candy crunch. These Chewy REESE’S PIECES Peanut Butter Brownies are not just a dessert; they’re a childhood memory in every bite, elevated with a baker’s touch. Growing up in my mother’s bustling kitchen in Morocco, we always had a sweet treat ready, but the American candy aisle held a special fascination. When I first landed in Paris to hone my pastry skills, I discovered the art of the truly decadent brownie, a far cry from the cakey versions often found back home. This recipe bridges those worlds, bringing you an incredibly chewy, fudgy brownie base, generously studded with REESE’S PIECES, creating a flavor and texture combination that’s simply divine. It’s the best of both worlds, and I can’t wait to share it with you.

Imagine sinking your teeth into a brownie that’s both intensely fudgy and delightfully chewy, with pockets of melted peanut butter and bursts of that signature REESE’S PIECES candy flavor. The exterior has just the slightest hint of a crust, giving way to a luscious, soft interior. The vibrant orange and yellow candies peek out from the deep brown depths, promising a symphony of textures and tastes. It’s a classic American comfort dessert, but with a touch of my culinary journey – a hint of that Parisian precision in achieving the perfect crumb, and a whisper of Moroccan hospitality in its sheer generosity. This is for anyone who believes chocolate and peanut butter are a match made in heaven, especially when those iconic candies are involved.

What makes this recipe truly stand out is the balance of simple ingredients and a few key techniques that ensure that perfect chewy texture every single time. I’ve spent years tweaking brownie recipes, from the classic New York bakery style to more unique global variations, and I’ve learned a thing or two about what *not* to do. Overmixing is a brownie’s worst enemy, leading to a tough, cakey texture instead of that coveted chew. But fear not, I’ll guide you through every step and share my secret for achieving that ideal texture. Plus, I’ll reveal how to store these gems so they stay perfectly gooey for days, a crucial detail for any busy home baker in this city.

Why This Chewy REESE’S PIECES Peanut Butter Brownies Recipe Is the Best

The magic of these brownies lies in their incredibly satisfying texture and the delightful surprise of REESE’S PIECES candy woven throughout. My secret? It’s all about that careful ratio of fat to flour and the crucial addition of brown sugar, which lends moisture and chewiness. Having trained in pastry in Paris, I learned to respect the science behind baking, understanding how each ingredient contributes to the final result. This recipe incorporates that knowledge with my love for bold, approachable flavors. The infusion of creamy peanut butter into the brownie batter itself, not just as a swirl, ensures a deep, nutty flavor that pairs perfectly with the sweet candy pieces, creating a truly irresistible chocolate peanut butter dessert.

Achieving that perfect chewy brownie texture is an art I’ve refined through countless batches. My method emphasizes minimal mixing after the flour is incorporated. This prevents gluten overdevelopment, which is the primary culprit behind dry, cakey brownies. Instead, we aim for a dense, fudgy crumb that melts in your mouth. The combination of melted butter and sugars, along with the right amount of eggs, is key. It’s a technique you’d find in a professional patisserie, adapted for home ease, ensuring that each bite offers that satisfying, almost gooey chewiness that makes you reach for just one more.

This recipe is designed to be foolproof and incredibly satisfying for bakers of all levels. Even if you’re new to baking or short on time, you’ll find these steps intuitive and the results consistently delicious. The preheating and pan preparation are standard, but the mixing technique is where the magic happens – simple folding, no complex steps. The addition of REESE’S PIECES is a straightforward sprinkle-and-bake affair, adding that beloved crunch and candy sweetness without any fuss. They are the perfect easy treat for a weeknight craving or a spectacular dessert for a holiday gathering, proving that exceptional desserts don’t have to be complicated.

Chewy REESE’S PIECES Peanut Butter Brownies Ingredients

When I’m in New York, I love visiting my local Union Square Greenmarket for the freshest ingredients, but for pantry staples like flour and sugar, any good quality brand will do. Peanut butter is a must-have in my pantry, and I always have both creamy and chunky on hand. For these brownies, I lean towards creamy for a smoother batter, but chunky works beautifully for extra texture. And of course, no visit to a US supermarket is complete without grabbing a bag of REESE’S PIECES – they’re the star of this show! A little tip from my Moroccan spice tray: a tiny pinch of sea salt can really amplify chocolate and peanut butter flavors, so don’t skip it!

Ingredients List

  • 1 cup (2 sticks) unsalted butter, melted
  • 1 cup granulated sugar
  • 1 cup light brown sugar, packed
  • 4 large eggs
  • 2 teaspoons vanilla extract
  • 1 cup creamy or chunky peanut butter
  • 2 cups all-purpose flour
  • 2 teaspoons baking powder
  • ¼ teaspoon salt
  • ½ cup REESE’S PIECES

Ingredient Spotlight

Reese’s Pieces: These candy-coated peanut butter bites are what give these brownies their signature pop of color and flavor. When choosing them, just look for the standard bags in the candy aisle of any US grocery store. You can’t really substitute their unique flavor and texture, but if you absolutely had to, peanut butter chips or M&Ms would offer a different but still delicious candy-coated chocolate crunch.

Brown Sugar: Light or dark, brown sugar is essential for that signature chewy texture and rich caramel note in brownies. It’s hygroscopic, meaning it attracts and holds moisture, keeping your brownies delightfully soft. You can find it easily in any baking aisle. If you only have granulated sugar, you can make a substitute by mixing 1 cup of granulated sugar with 1 tablespoon of molasses, but the texture might be slightly less chewy.

Peanut Butter: The star of the show aside from the chocolate! I prefer creamy for a smoother batter, as it integrates beautifully. However, crunchy peanut butter works just as well and adds an extra textural dimension. Look for standard peanut butter – not the natural kind with oil separation, as it can affect the consistency. If you must use natural peanut butter, ensure it’s stirred extremely well before measuring.

Original IngredientBest SubstitutionFlavor / Texture Impact
REESE’S PIECESPeanut Butter Chips or M&MsSimilar candy coated crunch, but distinct peanut butter flavor is lost without REESE’S PIECES.
Light Brown SugarGranulated Sugar + 1 tbsp MolassesSlightly less chewy, more caramelized notes may be subdued.
Creamy Peanut ButterCrunchy Peanut ButterAdds a slightly more textured bite within the brownie base.

How to Make Chewy REESE’S PIECES Peanut Butter Brownies — Step-by-Step

Let’s get baking! These steps are designed to be straightforward, ensuring perfect results every time.

Step 1: Preheat Oven and Prepare Pan

Preheat your oven to 350°F (175°C). Line an 11 x 13 inch metal or glass baking pan with parchment paper, leaving an overhang on the sides. This makes lifting out the cooled brownies a breeze, a trick I learned in my Paris pastry classes to ensure clean cuts and easy serving.

💡 mia’s Pro Tip: Using parchment paper not only helps with removal but also prevents sticking, giving you those beautiful, clean edges that make brownies look extra professional.

Step 2: Mix Peanut Butter Base

In a large bowl, thoroughly mix the creamy peanut butter, melted butter, granulated sugar, and packed light brown sugar until well combined. Then, slowly add the 4 large eggs one at a time, followed by the vanilla extract and the ¼ teaspoon of salt. Beat until the mixture is smooth and glossy.

Step 3: Combine Dry Ingredients

In a separate medium bowl, whisk together the 2 cups of all-purpose flour and 2 teaspoons of baking powder. Whisking evenly distributes the leavening agent and prevents clumps.

💡 mia’s Pro Tip: Sifting the flour can make brownies even more tender, though whisking well is sufficient for that chewy texture we’re aiming for.

Step 4: Combine Wet and Dry Mixtures

Add the dry ingredient mixture to the peanut butter mixture. Gently fold or mix with a spatula until just combined. It’s crucial *not* to overmix here; incorporate just until you no longer see streaks of flour. Overmixing develops gluten, leading to tough, cake-like brownies instead of the desired chewy, fudgy texture.

⚠️ Common Mistake to Avoid: Overmixing the batter once flour is added. This is the number one reason brownies turn out cakey rather than chewy and fudgy. Mix only until the ingredients are incorporated.

Step 5: Add REESE’S PIECES

Smooth the thick batter evenly into the prepared 11 x 13 inch pan. Sprinkle the ½ cup of REESE’S PIECES generously over the top of the batter. You can gently press them in a little if you like, but most will sink naturally during baking.

Step 6: Bake the Brownies

Bake in the preheated oven for 30-35 minutes. The brownies will appear set around the edges, and the center should look moist and slightly underbaked, which is exactly what you want for chewiness. A toothpick inserted into the center should come out with moist crumbs, not wet batter.

Step 7: Cool Completely Before Cutting

This is one of the hardest parts, but essential! Allow the brownies to cool in the pan on a wire rack for at least 30 minutes. This allows them to set properly, making them easier to cut and ensuring they don’t crumble. For the best texture and easiest slicing, I often let them cool completely, even chilling them slightly.

💡 mia’s Pro Tip: For incredibly clean cuts, use a sharp knife that’s been wiped clean between each slice. A warm knife can sometimes make gooey brownies smeary, so I often use a room-temperature or slightly chilled knife.

StepActionDurationKey Visual Cue
1Preheat Oven & Prep Pan10 minsParchment paper lining pan, oven at 350°F.
2Mix Wet Ingredients5 minsSmooth, glossy peanut butter-sugar-egg mixture.
3Combine Dry Ingredients2 minsFlour and baking powder whisked together.
4Combine Wet & Dry2 minsJust combined, no flour streaks visible. DO NOT OVERMIX!
5Add REESE’S PIECES1 minCandy pieces sprinkled over smoothed batter.
6Bake30-35 minsEdges set, center moist (moist crumbs on toothpick).
7CoolMin. 30 minsBrownies set in pan, ready for slicing.

Serving & Presentation

These Chewy REESE’S PIECES Peanut Butter Brownies are magnificent all on their own, but I love to serve them slightly warm, perhaps with a scoop of high-quality vanilla bean ice cream. It’s a classic combination that never disappoints! For a touch of elegance, which I picked up during my time in Paris, a light dusting of cocoa powder or powdered sugar can be lovely, though entirely unnecessary given the vibrant candy topping.

In my New York kitchen, we often enjoy these after dinner with a glass of cold milk – a simple pleasure that feels utterly decadent. They also make a fantastic addition to any dessert platter, perhaps alongside some fruit or a chocolate tart. The kids, of course, adore them as they are, straight from the pan. Just remember, the key to beautiful presentation is patience; let them cool properly before cutting into neat squares or rectangles. For an extra touch, you could even sprinkle a few extra REESE’S PIECES on top of each serving!

Pairing TypeSuggestionsWhy It Works
Side DishVanilla Bean Ice Cream, Whipped CreamThe cool creaminess contrasts beautifully with the warm, chewy brownie.
Sauce / DipWarm Chocolate Ganache, Caramel SauceEnhances the chocolate and peanut butter flavors, adding another layer of indulgence.
BeverageCold Milk, Coffee, EspressoClassic pairings that cut through the richness and complement the chocolate & peanut butter notes.
GarnishDusting of Cocoa Powder, Extra REESE’S PIECESAdds visual appeal and a final flourish of flavor or texture.

Make-Ahead, Storage & Reheating

Living in a bustling city like New York means planning is key, and these brownies are perfect for making ahead! I often bake a batch on Sunday to have on hand for quick desserts or snacks throughout the week. They actually improve in flavor and texture after a day or two, which is fantastic when you need a treat but don’t have time to bake from scratch.

MethodContainerDurationReheating Tip
RefrigeratorAirtight containerUp to 5 daysBriefly microwave (10-15 seconds) or enjoy at room temperature.
FreezerFreezer-safe container or heavy-duty wrapUp to 3 monthsThaw overnight in the refrigerator, then reheat as above or enjoy cold.
Make-AheadStored whole in pan, wrapped tightlyUp to 2 days before slicingWrap entire pan tightly with plastic wrap, then foil. Slice and serve when ready.

If you’re reheating them, a quick zap in the microwave (just 10-15 seconds) is perfect for bringing back that fudgy, gooey texture without drying them out. For a slightly crisper edge, you can place them on a baking sheet in a warm oven (around 250°F) for a few minutes. I find they retain their moisture beautifully in the refrigerator, so don’t hesitate to store them there if you prefer them chilled. The key is a good airtight container to keep them from drying out and absorbing fridge odors.

Variations & Easy Swaps

VariationKey ChangeBest ForDifficulty Impact
Ultimate Chocolate Peanut Butter TwistAdd ½ cup mini chocolate chips to batterMaximum chocolate loversMinimal; adds extra richness and chewiness.
Gluten-Free / Dairy-Free FriendlyUse GF flour blend; use plant-based butter, dairy-free chocolate/PB cups (if available)Dietary needsSlight texture variation; check ingredient labels carefully.
Seasonal Sweetness SwapSwap REESE’S PIECES for M&Ms (holiday colors), chopped candied ginger, or toasted pecansSeasonal variations, flavor experimentationMinor flavor profile change; should not impact texture significantly.

Ultimate Chocolate Peanut Butter Twist

Want to boost the chocolate factor even more? Fold in an extra ½ cup of mini chocolate chips along with the REESE’S PIECES. This creates pockets of molten chocolate throughout the brownies, enhancing their decadent, fudgy nature. It’s a simple addition that takes this chocolate peanut butter dessert to an entirely new level of deliciousness. I often use a mix of dark and milk chocolate chips for complexity, a technique I adore from my French pastry training.

Gluten-Free & Dairy-Free Friendly Chewy Brownies

Making these more inclusive is easy! For gluten-free, I recommend a good quality 1:1 gluten-free baking flour blend. For dairy-free, use your favorite plant-based butter sticks and ensure your peanut butter is dairy-free (most standard ones are, but always check labels). REESE’S PIECES are typically dairy-free, but it’s always good to confirm. The texture might vary slightly, but the chewiness will still be present. This adaptation makes the chewy brownies accessible for more friends and family.

Seasonal Sweetness Swap

Don’t be afraid to get creative with the mix-ins! Around holidays, I love swapping the REESE’S PIECES for seasonal M&Ms – red and green for Christmas, pastel for Easter. For a more sophisticated flavor, try adding ½ cup of toasted pecans or walnuts for a nutty crunch. Or, for a touch of warmth and spice, chopped candied ginger can add a delightful zing. These little twists make the brownies feel special and unique for any occasion, inspired by the seasonal bounty at NYC’s markets.

How do you make peanut butter brownies extra chewy?

To achieve extra chewy peanut butter brownies, the key is in the ingredients and the mixing technique. Using a higher ratio of brown sugar to granulated sugar, along with melted butter, contributes significantly to moisture and chewiness. Crucially, avoid overmixing the batter once the flour is added. Overmixing develops gluten, which leads to a cakey texture. Mix only until the dry ingredients are just incorporated, ensuring a dense, fudgy crumb that stays delightfully chewy.

Can I use creamy peanut butter instead of crunchy in REESE’S PIECES brownies?

Absolutely! You can certainly use creamy peanut butter instead of crunchy in this REESE’S PIECES brownies recipe. Creamy peanut butter will result in a smoother, more uniform brownie batter with a rich, integrated peanut butter flavor. If you prefer a bit more textural variation within your brownie, crunchy peanut butter is also a great choice and will add little pockets of peanut texture alongside the REESE’S PIECES. Both options yield delicious results.

What is the best baking time for chewy peanut butter brownies with REESE’S PIECES?

For chewy peanut butter brownies with REESE’S PIECES, the best baking time is typically between 30-35 minutes at 350°F (175°C). You’re looking for the edges to be set and slightly pulling away from the sides of the pan, while the center remains soft and moist. A toothpick inserted into the center should come out with moist crumbs attached, not completely clean or wet batter. Overbaking is the enemy of chewiness, so err on the side of slightly underbaked.

How should I store REESE’S PIECES peanut butter brownies to keep them fresh?

To keep your REESE’S PIECES peanut butter brownies fresh and chewy, store them in an airtight container at room temperature for up to 3-4 days. If you want to extend their freshness further, or if your kitchen is very warm, the refrigerator is a good option, where they can last for up to a week. For even longer storage, wrap them tightly and freeze them for up to 3 months. They often taste even better after a day or two, as the flavors meld and the texture fully develops.

Can I add other candies or mix-ins to these brownies?

Absolutely! These brownies are a fantastic base for all sorts of delicious additions. While REESE’S PIECES are my favorite for this particular recipe, feel free to experiment. Mini chocolate chips, chopped nuts like pecans or walnuts, or even other candies like M&Ms can be added. Just be mindful of the quantity – about ½ to ¾ cup of additional mix-ins is usually a good amount so as not to overwhelm the brownie batter or affect the baking time too much. Get creative!

My brownies came out cakey, what did I do wrong?

A dry, cakey texture in brownies is almost always due to overmixing the batter after adding the flour. When you overmix, you develop the gluten in the flour too much, which results in a tougher, cake-like structure instead of the dense, fudgy chew we desire. Another common culprit is overbaking. Ensure you bake just until the edges are set and the center is still moist. Resist the urge to bake them until a skewer comes out perfectly clean!

Can I make these brownies in a different pan size?

While the 11×13 inch pan is ideal for the baking time and thickness specified in this recipe, you can adjust if necessary. Baking them in a smaller pan, like an 8×8 inch or 9×9 inch, will result in thicker brownies, so you’ll need to increase the baking time. Conversely, a larger pan will yield thinner brownies, requiring a shorter baking time. Always keep an eye on them and test for doneness with a toothpick, as oven temperatures and pan sizes can vary.

What is the best way to get clean cuts on chewy brownies?

Achieving clean cuts on chewy brownies, especially when they’re fresh or gooey, requires a bit of technique. First, ensure the brownies have cooled significantly, ideally to room temperature or even slightly chilled. Use a long, sharp knife; a serrated knife can sometimes work well. After each cut, wipe the knife clean with a damp cloth or paper towel. This removes any residual brownie and prevents smearing. For an extra professional look, you can even use a bench scraper to help guide your cuts.

Share Your Version!

I truly hope you adore these Chewy REESE’S PIECES Peanut Butter Brownies as much as I do! If you give this recipe a try, please consider leaving a star rating and a comment below – your feedback helps other bakers immensely. I would also be absolutely thrilled if you shared a photo of your delicious creations on Instagram or Pinterest and tagged me @chefrecipes2. I love seeing how your REESE’S PIECES brownies turn out! Did you try any of the variations or find a unique pairing I haven’t thought of?

From my NYC kitchen to yours — I hope this recipe brings as much warmth to your table as it does to mine. — mia 🧡

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Chewy REESE’S PIECES Peanut Butter Brownies

  • Author: Chef Mia

Description

Hands down the BEST recipe for peanut butter brownies with a tasty twist! Enjoy chewy, rich peanut butter flavor in every bite.


Ingredients

Scale
  • cup butter (melted)
  • 1 cups granulated sugar
  • 1 cup light brown sugar
  • 4 large eggs
  • 2 teaspoons vanilla extract
  • 1 cup creamy or chunky peanut butter
  • 2 cups all-purpose flour
  • 2 teaspoons baking powder
  • ¼ teaspoon salt
  • ½ cup Reese's Pieces

Instructions

  1. Preheat oven to 350°F.
  2. Line a 11 x 13 metal or glass baking pan with parchment paper so you can easily lift your brownies right out once they are cooled.
  3. In a large bowl, thoroughly mix the peanut butter, melted butter, white sugar and brown sugar together. Slowly add the eggs, vanilla extract, and pinch of salt.
  4. In a separate bowl, whisk the flour and baking powder.
  5. Slowly add the flour and baking powder mix to the peanut butter mixture and slowly mix or fold to combine all ingredients. DO NOT OVER MIX! Over mixing will make fluffy cake-like brownies.
  6. Smooth the batter into the 11 x 13 pan and sprinkle the Reese's Pieces over the batter.
  7. Bake for 30-35 minutes. They will feel firm on top and moist in the center.
  8. Allow them to cool for at least 30 minutes before cutting them


Nutrition

  • Calories: 238 kcal
  • Sugar: 21 g
  • Fat: 12 g
  • Carbohydrates: 31 g
  • Protein: 5 g


Chewy REESE'S PIECES Peanut Butter Brownies

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