Peanut Butter Cup Brownies

Featured in: Breads & Sweet Bakes

These decadent brownies combine a rich, fudgy cocoa base with miniature peanut butter cups layered in the middle and covered with more batter. Easy to prepare in under an hour, they bake in a single pan for simple cleanup and make ideal squares for sharing. The balance between the intense chocolate, buttery texture, and creamy peanut butter cups creates an irresistible treat perfect for any gathering. Serve warm or cooled, and consider drizzling extra chocolate or swapping fillings for variety.

Updated on Tue, 24 Feb 2026 02:50:57 GMT
Decadent fudgy brownies baked with rich peanut butter cups for the ultimate dessert treat. Save to Pinterest
Decadent fudgy brownies baked with rich peanut butter cups for the ultimate dessert treat. | metrochop.com

There's something irresistibly indulgent about the combination of rich, fudgy brownies and creamy peanut butter cups. These Peanut Butter Cup Stuffed Brownies take the classic chocolate treat to a whole new level by layering decadent brownie batter with pockets of melty peanut butter goodness. Every bite delivers that perfect balance of deep chocolate flavor and sweet, nutty peanut butter that will have everyone reaching for seconds. Whether you're baking for a party, a potluck, or simply treating yourself, this easy dessert is guaranteed to impress.

Decadent fudgy brownies baked with rich peanut butter cups for the ultimate dessert treat. Save to Pinterest
Decadent fudgy brownies baked with rich peanut butter cups for the ultimate dessert treat. | metrochop.com

The secret to these brownies is the layering technique. By spreading half the batter in the pan first, then adding a complete layer of peanut butter cups, and finally covering with the remaining batter, you create pockets of gooey peanut butter heaven throughout. The result is a brownie that's fudgy, chocolatey, and studded with chocolate chips, all while hiding those irresistible peanut butter treasures inside. It's a textural and flavor experience that elevates the humble brownie into something truly special.

Ingredients

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  • Dry Ingredients: 1 cup (125 g) all-purpose flour, 1 cup (80 g) unsweetened cocoa powder, 1/2 teaspoon baking powder, 1/2 teaspoon salt
  • Wet Ingredients: 1 cup (225 g) unsalted butter (melted), 2 cups (400 g) granulated sugar, 4 large eggs, 2 teaspoons vanilla extract
  • Mix-ins & Filling: 1 cup (175 g) semi-sweet chocolate chips, 16 mini peanut butter cups (or 8 standard, halved)

Instructions

Step 1
Preheat oven to 350°F (175°C). Line a 9x13-inch (23x33 cm) baking pan with parchment paper, leaving an overhang for easy removal.
Step 2
In a medium bowl, whisk together flour, cocoa powder, baking powder, and salt.
Step 3
In a large bowl, combine melted butter and sugar. Whisk until glossy.
Step 4
Beat in eggs, one at a time, mixing well after each addition. Stir in vanilla extract.
Step 5
Gradually fold the dry ingredients into the wet mixture until just combined. Do not overmix.
Step 6
Gently fold in chocolate chips.
Step 7
Spread half of the brownie batter evenly into the prepared pan.
Step 8
Arrange the peanut butter cups evenly over the batter.
Step 9
Spoon the remaining batter over the peanut butter cups, smoothing the top with a spatula to cover completely.
Step 10
Bake for 28–32 minutes, or until a toothpick inserted into the center comes out with a few moist crumbs.
Step 11
Allow to cool completely in the pan before lifting out and slicing into squares.

Zusatztipps für die Zubereitung

The key to achieving perfectly fudgy brownies is to avoid overbaking. Watch the timer carefully and test with a toothpick starting at 28 minutes—you want a few moist crumbs clinging to it, not wet batter or a completely clean toothpick. Letting the brownies cool completely in the pan is crucial; this allows them to set properly and makes cutting clean squares much easier. Use the parchment paper overhang to lift the entire brownie slab out before slicing. For the cleanest cuts, wipe your knife between each slice.

Varianten und Anpassungen

These brownies are wonderfully versatile. If you're not a peanut butter fan, swap the peanut butter cups for caramel candies, chocolate hazelnut spread, or even stuffed cookies for a fun twist. You can also experiment with different types of chocolate chips—dark chocolate, white chocolate, or butterscotch chips all work beautifully. For a more intense chocolate experience, add an extra tablespoon of cocoa powder to the batter. Those with peanut allergies can use sunflower seed butter cups or almond butter alternatives.

Serviervorschläge

These brownies are delicious on their own, but you can take them to the next level with a few simple additions. Serve them warm with a scoop of vanilla ice cream for a classic brownie sundae experience. For extra indulgence, drizzle melted chocolate or peanut butter over the cooled brownies before serving. They pair wonderfully with a cold glass of milk or a hot cup of coffee. At parties, arrange them on a platter and dust with powdered sugar for an elegant presentation. Store leftovers in an airtight container at room temperature for up to 4 days, or freeze for up to 3 months.

Layered peanut butter cup stuffed brownies with chocolate chips, baked until perfectly gooey and irresistible. Save to Pinterest
Layered peanut butter cup stuffed brownies with chocolate chips, baked until perfectly gooey and irresistible. | metrochop.com

These Peanut Butter Cup Stuffed Brownies are proof that sometimes the best desserts are the simplest ones. With pantry staples, a handful of peanut butter cups, and less than an hour of your time, you can create a dessert that tastes like it came from a gourmet bakery. The fudgy texture, rich chocolate flavor, and surprise peanut butter centers make these brownies absolutely irresistible. Whether you're an experienced baker or just starting out, this recipe is foolproof and endlessly satisfying. Give them a try, and watch them disappear faster than you can say "just one more square!"

Recipe FAQ

What’s the best way to ensure fudgy brownies?

Use melted butter and avoid overmixing once the dry ingredients are combined to maintain a dense, moist texture.

Can I substitute peanut butter cups with other fillings?

Yes, caramel candies or chocolate hazelnut spread make excellent alternatives for a different flavor twist.

How do I prevent brownies from sticking to the pan?

Line the pan with parchment paper with an overhang for easy lifting and cleaner removal.

When are the brownies done baking?

Insert a toothpick into the center; it should come out with a few moist crumbs, not wet batter.

Can these brownies be served warm?

Absolutely, serving them warm enhances the gooey texture, especially when paired with vanilla ice cream.

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Peanut Butter Cup Brownies

Fudgy brownies layered with peanut butter cups for a crowd-pleasing dessert.

Prep Time
20 minutes
Bake/Cook Time
30 minutes
Time Needed
50 minutes
Recipe By Elizabeth Perry


Skill Level Easy

Cuisine American

Makes 16 Portions

Dietary Needs Meat-Free

What You'll Need

Dry Ingredients

01 1 cup all-purpose flour
02 1 cup unsweetened cocoa powder
03 1/2 teaspoon baking powder
04 1/2 teaspoon salt

Wet Ingredients

01 1 cup unsalted butter, melted
02 2 cups granulated sugar
03 4 large eggs
04 2 teaspoons vanilla extract

Mix-ins & Filling

01 1 cup semi-sweet chocolate chips
02 16 mini peanut butter cups or 8 standard peanut butter cups halved

How-To Steps

Step 01

Prepare Baking Pan: Preheat oven to 350°F. Line a 9x13-inch baking pan with parchment paper, leaving overhang for easy removal.

Step 02

Combine Dry Ingredients: In a medium bowl, whisk together flour, cocoa powder, baking powder, and salt until well incorporated.

Step 03

Mix Wet Ingredients: In a large bowl, combine melted butter and granulated sugar. Whisk until glossy and well combined.

Step 04

Incorporate Eggs: Beat in eggs one at a time, mixing thoroughly after each addition. Stir in vanilla extract until evenly distributed.

Step 05

Create Batter: Gradually fold dry ingredients into wet mixture until just combined. Do not overmix to maintain fudgy texture.

Step 06

Add Chocolate Chips: Gently fold chocolate chips into batter until evenly distributed throughout.

Step 07

Layer First Batter: Spread half of brownie batter evenly into prepared baking pan.

Step 08

Add Peanut Butter Cups: Arrange peanut butter cups evenly over batter layer.

Step 09

Complete Top Layer: Spoon remaining batter over peanut butter cups, smoothing top with spatula to cover completely and seal filling.

Step 10

Bake: Bake for 28 to 32 minutes, or until toothpick inserted into center comes out with few moist crumbs.

Step 11

Cool Completely: Allow brownies to cool completely in pan before lifting out. Cut into 16 squares using clean knife.

Tools You'll Need

  • 9x13-inch baking pan
  • Parchment paper
  • Mixing bowls
  • Whisk
  • Spatula
  • Measuring cups and spoons

Allergy Notes

Always check each ingredient for allergens and reach out to a healthcare provider if you're uncertain.
  • Contains peanuts
  • Contains eggs
  • Contains milk
  • Contains wheat and gluten
  • Contains soy from chocolate

Nutrition Details (per portion)

These details are for informational purposes and aren't a substitute for professional medical guidance.
  • Energy: 320
  • Fats: 18 g
  • Carbohydrates: 39 g
  • Proteins: 5 g

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