Name: Chewy Reese's Pieces Peanut Butter Brownies Recipe
Prep time: 10 min
Cook time: PT-497740H22M1S
Total time: PT-497740H22M1S
Cuisine: American
Ingredients: ⅔ cup butter (melted); 1⅓ 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

Jump to Recipe· 4.1 from 15 reviews

If you have a serious sweet tooth and a love for peanut butter and chocolate, you simply need to try this Chewy Reese's Pieces Peanut Butter Brownies Recipe. These brownies are the perfect balance of rich, chewy, and packed with that iconic peanut butter flavor, punctuated by the colorful crunch of Reese's Pieces throughout. Each bite melts in your mouth and offers a nostalgic candy twist that makes this dessert irresistible. Trust me, once you make these brownies, they’ll quickly become your go-to treat for parties, family gatherings, or a cozy night in.

Ingredients You'll Need

The image shows various baking ingredients arranged on a white marbled surface. There is a clear glass bowl with melted butter on the top left, sitting above a yellow and white checkered cloth. Near it, there is a white egg carton holding six brown eggs. Below and to the right of the eggs are five small glass bowls containing different ingredients: one with smooth brown peanut butter, one with white granulated sugar, one with a dark brown liquid (vanilla extract), one with white flour measured in a glass cup, and one with a small amount of white powder (baking soda). A metal whisk with a black and silver handle lies diagonally at the bottom left. The setup is clean, bright, and ready for baking. photo taken with an iphone --ar 4:5 --v 7

The magic of this Chewy Reese's Pieces Peanut Butter Brownies Recipe lies in its simplicity. Each ingredient plays a star role—from the creamy peanut butter that gives these brownies their rich flavor, to the Reese’s Pieces adding pops of color and crunchy texture. Using common pantry staples, you can whip up a tray of these delightful brownies in no time.

Butter (⅔ cup, melted): Adds a creamy richness and keeps the brownies delectably moist.
Granulated sugar (1⅓ cups): Sweetens the batter and helps create a slightly crispy top layer.
Light brown sugar (1 cup): Brings moisture and a subtle caramel undertone.
Large eggs (4): Bind everything together and add structure for that perfect chewy texture.
Vanilla extract (2 teaspoons): Enhances the overall flavor with a lovely warm note.
Peanut butter (1 cup, creamy or chunky): The star ingredient infusing the brownies with savory, nutty depth.
All-purpose flour (2 cups): The backbone for the brownie’s tender crumb.
Baking powder (2 teaspoons): Gives just enough lift to keep the brownies chewy and not cakey.
Salt (¼ teaspoon): Balances the sweetness and intensifies flavors.
Reese's Pieces (½ cup): Adds colorful bursts of candy goodness and crunchy surprises throughout.

How to Make Chewy Reese's Pieces Peanut Butter Brownies Recipe

Step 1: Preheat and Prep Your Pan

First things first, set your oven to 350°F to get it nice and hot. Then, take an 11 x 13 inch metal or glass baking pan and line it with parchment paper. This simple step makes a huge difference because it lets you lift the brownies out easily after baking, plus cleanup gets much faster. If you skip this step, just be sure to grease your pan well.

Step 2: Mix the Wet Ingredients

Grab a large bowl and stir together your melted butter, granulated sugar, and brown sugar until combined and smooth. Next, beat in the peanut butter, eggs one at a time, the vanilla extract, and a pinch of salt. You want the mixture creamy and glossy—it’s the delicious base for our chewy texture.

Step 3: Whisk Dry Ingredients

In a separate bowl, gently whisk the flour together with the baking powder. This ensures everything is evenly distributed and avoids clumps when you combine it with the wet ingredients. Keeping the dry ingredients light makes a big difference to avoid tough brownies.

Step 4: Combine Wet and Dry

Slowly add the flour mixture into your peanut butter batter, folding gently with a spatula until just combined. A big tip for the Chewy Reese's Pieces Peanut Butter Brownies Recipe is to avoid overmixing. Overmixing can lead to cakey brownies, and we want dense, chewy loveliness here.

Step 5: Spread Batter and Add Reese's Pieces

Pour the batter into your prepared pan, smoothing it out evenly. Now comes the fun part: sprinkle the Reese's Pieces candy generously over the top, pressing them lightly into the batter so they stick through baking. These candies not only taste amazing but make the brownies look festive and inviting.

Step 6: Bake to Perfection

Pop the pan into the oven and bake for about 30 to 35 minutes. You’ll know they’re done when the top feels firm to the touch but the center is still moist. Resist the temptation to underbake or overbake—getting the right chewy texture depends on just the right baking time.

Step 7: Cool Before Cutting

This step is crucial! Allow the brownies to cool in the pan for at least 30 minutes. This resting time gives them a chance to set fully, making cutting neater and ensuring every square holds together with that signature chewy texture.

How to Serve Chewy Reese's Pieces Peanut Butter Brownies Recipe

A stack of thick, square blondie bars sits on a wooden tray, each blondie showing a golden-brown, cracked top layer. Scattered across the tops are colorful Reese’s Pieces candies in orange, yellow, and dark brown, embedded into the blondie surface. The blondies have a slightly dense and soft texture with visible crumb detail, and they are piled unevenly with some pieces leaning or resting atop others. The background is bright with a blurred orange Reese's packaging visible behind the stack on a white marbled surface photo taken with an iphone --ar 4:5 --v 7

Garnishes

Elevate your brownies with a simple dusting of powdered sugar or a drizzle of melted chocolate for an eye-catching finish. For a little extra indulgence, sprinkle chopped peanuts or mini Reese’s Pieces on top right before serving to add a fresh crunch and colorful pop.

Side Dishes

While these brownies are divine on their own, pairing them with a scoop of vanilla ice cream or a dollop of whipped cream turns dessert into a decadent experience. Fresh berries or a drizzle of caramel sauce can also add balance and contrast to the richness.

Creative Ways to Present

Want to wow at your next gathering? Serve these brownies as bite-sized bars on a festive platter, or layer them in clear dessert cups with layers of whipped cream and crushed Reese’s Pieces for a playful parfait. You could even sandwich two brownie squares with peanut butter frosting for a fun twist on the classic cookie sandwich.

Make Ahead and Storage

Storing Leftovers

To enjoy these Chewy Reese's Pieces Peanut Butter Brownies Recipe delights over several days, store them in an airtight container at room temperature. They keep wonderfully moist and chewy for up to 3 days, making them perfect for preparing ahead or bringing to any event.

Freezing

If you want to save some for later, wrap individual brownies tightly in plastic wrap and place them in a freezer-safe bag or container. Frozen brownies stay fresh for up to 3 months. When ready, thaw them at room temperature to keep that chewy texture intact.

Reheating

To enjoy warm brownies, pop a slice in the microwave for about 10-15 seconds. This revives the softness and melts the peanut butter and chocolate just enough without drying them out. Enjoy warm for a little extra gooey happiness!

FAQs

Can I use crunchy peanut butter instead of creamy?

Absolutely! Crunchy peanut butter adds even more texture to the brownies, complementing the candy pieces nicely. Just choose your favorite type—both work beautifully in this recipe.

What if I don’t have Reese's Pieces? Can I substitute?

If you can’t find Reese's Pieces, mini peanut butter cups chopped into pieces or M&Ms are great substitutes. They’ll give a similar burst of color and sweet peanut butter flavor that makes these brownies so special.

How do I avoid cakey brownies?

To keep these brownies chewy, mix the batter gently and only until combined. Overmixing introduces air and makes them more cake-like. Also, be sure to bake until just set for that perfect dense texture.

Can I make these brownies gluten-free?

Yes! Simply swap the all-purpose flour for a gluten-free blend made for baking that includes xanthan gum or a similar binder. They will still bake up dense and chewy with a slightly different crumb.

Can these brownies be made in a smaller pan?

You can make a smaller batch by using an 8x8 inch pan, but keep in mind the baking time will be shorter—you’ll need to check around 20-25 minutes. The thickness will increase, so adjust carefully to avoid under or over baking.

Final Thoughts

I hope you’re as excited as I am to try this Chewy Reese's Pieces Peanut Butter Brownies Recipe. It’s truly one of those recipes where every ingredient shines, blending into a dessert that’s chewy, flavorful, and stuffed with nostalgic candy fun. Whether you bake it for yourself or to impress friends, these brownies bring smiles with every bite. Grab your peanut butter, candy, and get baking—you’re in for a treat you won’t forget!

Chewy Reese's Pieces Peanut Butter Brownies Recipe

Ingredients You'll Need