Peanut Butter Cup Brownies – Pure Bliss

Let me tell you about the brownies that changed my life—these OMG Peanut Butter Cup Brownies are what dessert dreams are made of. I first made them for a potluck years ago, and let’s just say… I had to bring the recipe written on six napkins because everyone demanded it. Picture this: fudgy, melt-in-your-mouth brownies stuffed with gooey peanut butter cups and finished with a drippy peanut butter-chocolate drizzle. It’s the kind of treat that makes people close their eyes and sigh after the first bite. My secret? Using three kinds of chocolate and letting the peanut butter cups *melt slightly* into the batter. Trust me, you’ll want to hide the pan from yourself.

Why You’ll Love These OMG Peanut Butter Cup Brownies

Let me count the ways these brownies will become your new obsession:

• Decadent doesn’t even cover it: We’re talking triple-chocolate batter hugging melty peanut butter cups, finished with that swoon-worthy drizzle
• Shockingly easy: No fancy techniques—just melt, mix, and bake (even my 12-year-old nephew nails these)
• Party superstar: I bring these to every potluck and without fail, someone whispers “Oh my GOD” after their first bite
• That PB-choc magic: The salty-sweet combo hits all the right notes—like eating a peanut butter cup that got a PhD in deliciousness

Seriously, your dessert game’s about to level up hard.

Ingredients for OMG Peanut Butter Cup Brownies

Okay, let’s talk ingredients—because with brownies this epic, you cannot cut corners. I’ve learned (the hard way) that every detail matters here. Here’s exactly what you’ll need:

• The chocolate trio: 3 sticks (1½ cups) unsalted butter, 4½ oz chopped unsweetened baking chocolate (I like Baker’s), and 1½ cups 60% cacao bittersweet chocolate chips (Ghirardelli is my go-to)
• The sweet stuff: 1½ cups granulated sugar plus 1½ cups packed brown sugar (pack it like you mean it—no air pockets!)
• The backbone: 6 large eggs at room temperature (cold eggs = sad, dense brownies), 1 tablespoon vanilla extract (yes, a full tablespoon—it’s the secret perfume), and 1 teaspoon salt
• The dry team: 1½ cups all-purpose flour (or high-quality gluten-free blend—I love King Arthur’s) and ¾ teaspoon baking powder
• The stars: 1 (12 oz) bag mini peanut butter cups plus another 12 oz bag roughly chopped (Reese’s only—generic ones weep melted filling)
• The drizzle: ¼ cup milk chocolate chips, ½ cup creamy peanut butter (Jif or Skippy—natural PB separates), and ½ cup white baking chips

Pro tip: Measure everything before you start melting—this recipe moves fast once the chocolate’s warm!

How to Make OMG Peanut Butter Cup Brownies

Okay, let’s do this! I promise these brownies are way easier than they look—just follow these steps, and you’ll be swimming in chocolate-peanut butter bliss. (Fair warning: Your kitchen’s about to smell amazing.)

Preparing the Batter

First things first: Preheat that oven to 350°F (175°C) and line your 9×13 pan with foil or parchment. Trust me, you’ll thank me later when these beauties slide right out.

Now, melt the butter in a small saucepan over low heat—we’re not rushing this. Toss in the unsweetened chocolate and bittersweet chips, and whisk like you’re making magic potion (because, let’s be honest, you kinda are). Once it’s silky smooth, take it off the heat.

In a big bowl, lightly whisk the eggs—just enough to break them up. In another bowl, whisk together both sugars and the salt until they look like wet sand. Add the eggs and whisk until it’s all best friends. Now, pour in that gorgeous melted chocolate and the vanilla, and whisk again until it’s darker than midnight.

Sift the flour and baking powder right into the chocolate mixture. Fold gently—just until the flour disappears. Overmixing here is the enemy of fudgy brownies!

Layering and Baking

Spread about two-thirds of the batter into your prepared pan. This part’s fun: Unwrap those peanut butter cups (okay, fine, eat one for quality control) and press them into the batter in even rows. They’ll sink a bit—that’s perfect!

Now, carefully spread the remaining batter over the top. Don’t worry if some PB cups peek through—they’re supposed to. Sprinkle the milk chocolate chips across the top like edible confetti.

Bake for about 35 minutes. The toothpick test is your friend here—it should come out with moist crumbs, not wet batter. Let the pan cool on a rack for 15 minutes (this is crucial—if you skip this, your drizzle will melt into oblivion).

Adding the Drizzle

While the brownies are still slightly warm, scatter the chopped peanut butter cups over the top. The residual heat will make them just melty enough. Now, the pièce de résistance: the drizzle!

Microwave the peanut butter and white chocolate chips together in 30-second bursts, stirring after each, until it’s smooth as satin. Pour it into a zip-top bag, snip a tiny corner, and go wild with zigzags, loops, or whatever makes your heart sing. (No piping bag? A spoon works too—just drizzle with abandon!)

Pop the whole pan in the fridge for about 30 minutes to set that drizzle. I know waiting is hard, but it’s worth it—this keeps the toppings from sliding off when you cut them.

Tips for Perfect OMG Peanut Butter Cup Brownies

After making these brownies approximately 87 times (okay, maybe more), here are my hard-won secrets for absolute perfection:

• Eggs must be room temp—cold eggs make the chocolate seize up. I leave mine out overnight or float them in warm water for 10 minutes
• Don’t skip the cooling step! Letting them rest 15 minutes before adding toppings prevents the drizzle from disappearing into the brownie abyss
• Slice with a hot knife—run your knife under hot water and dry it between cuts for clean edges that won’t drag all that gorgeous drizzle
• Undermix the batter—stop folding when you still see a few flour streaks; they’ll disappear while baking and keep the texture fudgy

Follow these, and you’ll get Instagram-worthy brownies every single time!

Ingredient Substitutions & Notes

Listen, I get it—sometimes you gotta work with what’s in the pantry! Here’s how to adapt these brownies without sacrificing that OMG factor:

• Gluten-free? Swap the all-purpose flour 1:1 with a quality GF blend (I swear by King Arthur’s). The texture stays perfect!
• Out of bittersweet chips? Semisweet works, but reduce the sugar by ¼ cup—those babies are sweeter
• Peanut allergies? Try sunflower seed butter cups (SunButter makes great ones) and almond butter for the drizzle
• No mini PB cups? Chop regular ones—just freeze them first so they don’t turn into mush when cutting

One non-negotiable: real butter. Margarine makes these taste like cardboard, and we don’t do cardboard around here.

Serving and Storing OMG Peanut Butter Cup Brownies

Here’s the deal—these brownies taste best at room temperature, when the peanut butter cups are just soft enough to ooze but the chocolate still holds its shape. I usually pull them from the fridge 30 minutes before serving. Store leftovers (ha!) in an airtight container with parchment between layers. They keep for 3 days at room temp or freeze beautifully for up to a month. Want that fresh-baked feel? A 10-second microwave zap brings back that melty magic!

Nutritional Information

Just between us? These brownies are absolutely meant to be a special treat—not health food! Nutrition info varies by brands and exact measurements, but let’s be real: when you’re eating peanut butter cup-stuffed chocolate brownies with drizzle, calories don’t count. (Wink!)

FAQs About OMG Peanut Butter Cup Brownies

I get asked these questions all the time—here are the answers straight from my peanut-butter-stained recipe notebook:

Can I halve this recipe? Absolutely! Use an 8×8 or 9×9 pan and bake for 25-30 minutes. The edges should pull away slightly when done.

Help—I can’t find mini peanut butter cups! No sweat! Freeze regular-sized Reese’s for 20 minutes, then chop them into quarters. They’ll distribute perfectly in the batter.

Can I freeze these brownies? Oh honey, yes! Freeze them before adding the drizzle. Wrap tightly in plastic, then foil. They’ll keep for a month. Add the drizzle after thawing for that fresh-baked look.

Why room temperature eggs? Cold eggs make the melted chocolate seize up faster than a toddler spotting broccoli. Room temp blends smoothly for that signature fudgy texture.

Can I use natural peanut butter? I don’t recommend it—the oil separation makes the drizzle grainy. Stick with conventional creamy PB for silky results.

Share Your Experience

Did you make these brownies? I need to hear about it! Snap a pic of your masterpiece (or the pan after your family attacked it) and tag me—I live for those melty peanut butter cup close-ups. Leave a rating below if these became your new obsession like they did mine!

For more delicious recipes and baking inspiration, check out BestAllTop on Pinterest.

Irresistible OMG Peanut Butter Cup Brownies – Pure Bliss

---

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

• Author: Chef Ivan
• Total Time: 2 hours
• Yield: 24 brownies 1x
• Diet: Vegetarian

Print Recipe

Pin Recipe

Description

Rich and decadent brownies packed with peanut butter cups and topped with a peanut butter chocolate drizzle.

---

Ingredients

Scale 1x2x3x

• 3 sticks unsalted butter
• 4 ½ oz unsweetened baking chocolate, chopped
• 1 ½ cups 60% cacao bittersweet chocolate chips
• 6 large eggs, room temperature
• 1 ½ cups granulated sugar
• 1 ½ cups packed brown sugar
• 1 teaspoon salt
• 1 tablespoon vanilla extract
• 1 ½ cups all-purpose (or high-quality gluten-free) flour
• ¾ teaspoon baking powder
• 1 (12 oz) bag miniature peanut butter cups
• ¼ cup milk chocolate chips
• ½ cup peanut butter
• ½ cup white baking chocolate chips
• 1 (12 oz) bag miniature peanut butter cups, roughly chopped

Cook Mode Prevent your screen from going dark

---

Instructions

1. Preheat oven to 350°F (175°C). Line a 9×13 baking dish with foil or parchment paper and lightly grease the surface.
2. Melt butter in a small saucepan over low heat. Add unsweetened chocolate and bittersweet chocolate chips, whisking until smooth. Remove from heat.
3. Lightly whisk eggs in a large bowl. In a separate bowl, whisk granulated sugar, brown sugar, and salt. Add eggs to sugar mixture and whisk until combined.
4. Whisk in melted chocolate mixture and vanilla.
5. Whisk flour and baking powder in another bowl, then sift into chocolate mixture. Stir until just combined.
6. Spread two-thirds of batter in the pan. Press peanut butter cups into batter in an even layer.
7. Spread remaining batter over the top. Sprinkle milk chocolate chips over the surface.
8. Bake for 35 minutes or until a toothpick comes out clean. Cool on a wire rack for 15 minutes.
9. Scatter chopped peanut butter cups over warm brownies. Refrigerate to set.
10. Microwave peanut butter and white baking chocolate for 1 minute. Stir well. Microwave in 15-second intervals until smooth.
11. Transfer mixture to a zip-top bag, snip the corner, and drizzle over chilled brownies.
12. Cut into squares and serve at room temperature.

Notes

• Recipe fits a 9×13 pan. Halve ingredients for an 8×8 or 9×9 pan.
• Best served at room temperature.

• Prep Time: 20 minutes
• Cook Time: 35 minutes
• Category: Dessert
• Method: Baking
• Cuisine: American

Nutrition

• Serving Size: 1 brownie
• Calories: 320
• Sugar: 28g
• Sodium: 120mg
• Fat: 18g
• Saturated Fat: 10g
• Unsaturated Fat: 6g
• Trans Fat: 0g
• Carbohydrates: 36g
• Fiber: 2g
• Protein: 5g
• Cholesterol: 60mg