Peanut Butter Brownie Cups
If you’re looking for a dessert that combines the rich taste of chocolate with the creamy goodness of peanut butter, then you’re in for a treat! These Peanut Butter Brownie Cups are not just any dessert; they are a delightful indulgence that will make your taste buds dance with joy. I love how simple they are to whip up, making them perfect for busy weeknights or family gatherings. Whether you need a sweet snack after dinner or a show-stopping treat for a party, these brownie cups will surely impress everyone.
What makes this recipe even more special is how well it stores. You can make them ahead of time, and they actually taste even better the next day! So go ahead, treat yourself and your loved ones to these irresistible Peanut Butter Brownie Cups. You won’t regret it!
Why You’ll Love This Recipe
- Super Easy to Make: With just a box of brownie mix and a few other ingredients, you can whip these up in no time.
- Family-Friendly Delight: Kids and adults alike adore the combination of chocolate and peanut butter.
- Make-Ahead Convenience: Bake in advance and enjoy them fresh or stored for later!
- Perfect for Any Occasion: Whether it’s a birthday, holiday, or just because, these brownie cups fit right in.
- Decadent Flavor: The fudgy brownies paired with creamy peanut butter are simply divine.

Ingredients You’ll Need
Let’s gather our simple, wholesome ingredients to create these delicious Peanut Butter Brownie Cups. You’ll find everything you need at your local grocery store!
- 1 box brownie mix
- 2 large eggs
- 1/2 cup vegetable oil
- 1/2 cup creamy peanut butter
- 1/3 cup powdered sugar
- 1/2 teaspoon vanilla extract
- 1/2 cup semi-sweet chocolate chips
Variations
This recipe is wonderfully flexible! Feel free to get creative with your Peanut Butter Brownie Cups. Here are some fun ideas to switch things up:
- Add Some Crunch: Mix in chopped nuts like walnuts or pecans for added texture.
- Go Nut-Free: Substitute sunflower seed butter for those with nut allergies.
- Make It Minty: Stir in some peppermint extract for a refreshing twist on flavor.
- Top with Sprinkles: Add colorful sprinkles on top for an extra festive touch!
How to Make Peanut Butter Brownie Cups
Step 1: Preheat the Oven
Preheat your oven to 350°F (175°C). This step is crucial as it ensures that your brownie cups bake evenly. While the oven heats up, line a muffin tin with liners or give it a quick spray with nonstick cooking spray.
Step 2: Prepare the Brownie Batter
In a mixing bowl, prepare the brownie batter according to the instructions on the box using the eggs and vegetable oil. Mixing it well helps achieve that fudgy texture we all love in brownies!
Step 3: Fill Muffin Cups
Using a spoon, fill each muffin cup about two-thirds full with brownie batter. This allows enough room for our creamy peanut butter filling without overflowing while baking.
Step 4: Bake
Place the muffin tin in the preheated oven and bake for 18-20 minutes. Keep an eye on them! You want them to be mostly cooked through but still soft inside—perfectly fudgy!
Step 5: Make the Peanut Butter Filling
While your brownie cups cool slightly, mix together the creamy peanut butter, powdered sugar, and vanilla extract until smooth. This filling is what makes these cups truly special—rich and satisfying!
Step 6: Create Wells
Gently press down the center of each brownie cup to form a small well. This step is essential as it creates space for our delicious peanut butter filling.
Step 7: Add Peanut Butter Filling
Spoon the smooth peanut butter mixture into each well you created. Don’t be shy—fill them generously!
Step 8: Top with Chocolate Chips
While the brownie cups are still warm from baking, sprinkle semi-sweet chocolate chips on top. They will melt slightly, creating an irresistible topping.
Step 9: Cool Completely
Allow your Peanut Butter Brownie Cups to cool completely before serving or storing them away. Patience is key here—the wait will be totally worth it when you take that first bite!
Pro Tips for Making Peanut Butter Brownie Cups
Baking can be a delightful adventure, and with these helpful tips, you’ll be well on your way to creating the perfect Peanut Butter Brownie Cups!
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Use Room Temperature Ingredients: Having your eggs and peanut butter at room temperature helps them blend more easily into the brownie batter, resulting in a smoother texture.
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Don’t Overmix the Batter: Mixing just until combined ensures your brownies are fudgy rather than cakey. Overmixing can introduce too much air, leading to a less desirable texture.
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Check for Doneness Early: Ovens can vary significantly in temperature. Start checking your brownie cups around the 15-minute mark to avoid overbaking. You want them to be set but still soft in the center.
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Let Them Cool Before Filling: Allowing your brownie cups to cool slightly before adding the peanut butter mixture helps the filling stay intact and not melt into the brownies.
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Experiment with Different Nut Butters: While creamy peanut butter is delicious, feel free to try almond or cashew butter for a unique twist. Each nut butter has its own flavor profile that can enhance these brownie cups!
How to Serve Peanut Butter Brownie Cups
Serving these decadent treats is almost as enjoyable as baking them! Here are some delightful ideas on how to present your Peanut Butter Brownie Cups.
Garnishes
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Chopped Nuts: Sprinkling chopped peanuts or walnuts on top adds a satisfying crunch that complements the creamy filling.
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Drizzle of Chocolate: A light drizzle of melted chocolate over the top creates an inviting visual appeal and extra indulgence.
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Sea Salt Sprinkle: A pinch of flaky sea salt right before serving enhances the flavors and balances the sweetness beautifully.
Side Dishes
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Vanilla Ice Cream: The classic pairing of warm brownie cups with cold vanilla ice cream creates an irresistible contrast that everyone loves!
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Fresh Berries: A side of mixed berries like strawberries or raspberries adds a refreshing element that cuts through the richness of the brownies.
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Whipped Coconut Cream: For a dairy-free option, whipped coconut cream is light and airy, making it a perfect complement to these rich brownie cups.
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Coffee or Tea: A hot cup of coffee or herbal tea serves as a lovely beverage choice, enhancing dessert time while offering a cozy touch.
Now you’re ready to whip up some delightful Peanut Butter Brownie Cups that will surely impress family and friends alike! Enjoy every sweet bite!

Make Ahead and Storage
These Peanut Butter Brownie Cups are perfect for meal prep! You can whip up a batch ahead of time and enjoy them throughout the week, making them an ideal sweet treat for busy days.
Storing Leftovers
- Allow the brownie cups to cool completely before storing.
- Place them in an airtight container at room temperature for up to 3 days.
- For longer freshness, store in the fridge for up to a week.
Freezing
- Place cooled brownie cups in a single layer on a baking sheet and freeze until solid.
- Transfer frozen cups to a freezer-safe bag or container, separating layers with parchment paper.
- They can be frozen for up to 3 months.
Reheating
- If you prefer warm brownie cups, preheat your oven to 350°F.
- Place the desired number of brownie cups on a baking sheet and heat for about 5-7 minutes.
- Alternatively, microwave for 10-15 seconds until warmed through.
FAQs
Have questions about making these delicious treats? Here are some common inquiries!
Can I make Peanut Butter Brownie Cups without eggs?
Yes! You can substitute eggs with unsweetened applesauce or flaxseed meal mixed with water. Use 1/4 cup of applesauce or 1 tablespoon of flaxseed mixed with 2.5 tablespoons of water as an egg replacement.
How should I store Peanut Butter Brownie Cups?
Store them in an airtight container at room temperature for up to 3 days or refrigerate them for up to one week. For longer storage, you can freeze them!
Can I use crunchy peanut butter instead of creamy?
Absolutely! Using crunchy peanut butter will add extra texture to your brownie cups. Just keep in mind that it may alter the creaminess of the filling slightly.
What can I add to the Peanut Butter Brownie Cups?
Feel free to mix in some chopped nuts, mini marshmallows, or even a drizzle of caramel sauce on top for added flavor and fun!
Final Thoughts
I hope you’re as excited about making these Peanut Butter Brownie Cups as I am! They truly are a delightful combination of rich chocolate and creamy peanut butter that’s hard to resist. Whether it’s for a party, a sweet snack during the week, or just because you deserve it, these brownie cups are sure to bring joy. Happy baking, and enjoy every delicious bite!
Peanut Butter Brownie Cups
Indulge in the rich and creamy delight of Peanut Butter Brownie Cups, a perfect fusion of chocolate and peanut butter that will make your taste buds sing. These easy-to-make treats are ideal for any occasion—whether it’s a cozy family night or a festive gathering, these brownie cups are sure to impress. With their fudgy texture and luscious peanut butter filling, they offer a decadent experience that’s hard to resist. Plus, they can be made ahead of time, allowing you to enjoy them fresh or stored for later. Treat yourself to this delicious dessert today!
- Prep Time: 15 minutes
- Cook Time: 20 minutes
- Total Time: 35 minutes
- Yield: Makes approximately 12 servings 1x
- Category: Dessert
- Method: Baking
- Cuisine: American
Ingredients
- 1 box brownie mix
- 2 large eggs
- 1/2 cup vegetable oil
- 1/2 cup creamy peanut butter
- 1/3 cup powdered sugar
- 1/2 teaspoon vanilla extract
- 1/2 cup semi-sweet chocolate chips
Instructions
- Preheat your oven to 350°F (175°C) and line a muffin tin with liners.
- In a mixing bowl, prepare the brownie batter according to the box instructions using the eggs and vegetable oil until well combined.
- Fill each muffin cup about two-thirds full with brownie batter.
- Bake for 18-20 minutes until mostly cooked through but soft in the center.
- While cooling slightly, mix together peanut butter, powdered sugar, and vanilla extract until smooth.
- Press down the center of each brownie cup to create a well and fill generously with the peanut butter mixture.
- Sprinkle semi-sweet chocolate chips on top while still warm.
- Allow to cool completely before serving.
Nutrition
- Serving Size: 1 brownie cup
- Calories: 210
- Sugar: 12g
- Sodium: 150mg
- Fat: 11g
- Saturated Fat: 3g
- Unsaturated Fat: 7g
- Trans Fat: 0g
- Carbohydrates: 25g
- Fiber: 1g
- Protein: 4g
- Cholesterol: 30mg
