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Amazing chocolate peanut butter cupcakes: 16-20 min

By Jordan Bell on April 16, 2026

A close-up view of a chocolate peanut butter cupcake, cut in half to reveal the gooey peanut butter filling and topped with peanut butter frosting and chocolate pieces.

Okay, you guys, buckle up because we’re diving headfirst into pure dessert bliss. If you’re anything like me, the dynamic duo of chocolate and peanut butter is basically a love language. I’ve tinkered with a *lot* of sweet treats in my kitchen, but these chocolate peanut butter cupcakes? They’re kind of a masterpiece. Imagine this: a super moist, rich chocolate cupcake with a gooey, dreamy peanut butter center, all topped off with a cloud of fluffy peanut butter frosting. It’s the best of both worlds, hiding a little surprise inside! I first made these for a friend’s birthday bash, and let me tell you, they disappeared faster than free samples at Costco. People were literally asking for the recipe before they even finished their first bite! It’s honestly one of my favorite ways to bring a smile to people’s faces, kind of like how a perfectly made Victoria Sponge cupcake recipe can brighten your day!

A close-up of a chocolate peanut butter cupcake, cut open to reveal a peanut butter filling and topped with peanut butter frosting and chocolate pieces.

Why You’ll Love These Chocolate Peanut Butter Cupcakes

  • Seriously easy to whip up – even beginner bakers can nail these!
  • That amazing combo of rich chocolate and creamy peanut butter is pure heaven.
  • They’re always a huge hit with everyone, young and old!
  • The surprise peanut butter cup inside is just the cherry on top.

Ingredients for the Best Chocolate Peanut Butter Cupcakes

You’ll want to make sure your butter and peanut butter are nice and soft for the frosting – it makes all the difference for that super creamy texture. And trust me, using real milk instead of water in the cake mix really boosts the flavor!

  • 1 box chocolate cake mix
  • 3 large eggs
  • 1 cup milk
  • 1/4 cup vegetable oil
  • 2 tablespoons plain Greek yogurt
  • 24 mini peanut butter cups, for the center
  • For the Frosting:
  • 1/2 cup unsalted butter, softened
  • 1 1/2 cups creamy peanut butter
  • 2 cups powdered sugar
  • 1 teaspoon vanilla extract
  • 2 to 3 tablespoons milk (you might need a little more or less)
  • Extra chopped peanut butter cups for topping

Step-by-Step Guide to Making Chocolate Peanut Butter Cupcakes

Alright, let’s get baking! This part is super straightforward, even if you’ve never made cupcakes before. First things first, crank that oven up to 350°F (that’s 175°C for my friends across the pond). You’ll want to grab two of those standard muffin tins and line them with cute cupcake liners. Go wild with the colors!

Now, for the cake batter. Grab a big bowl and toss in your chocolate cake mix, those 3 large eggs, the cup of milk, vegetable oil, and that little bit of Greek yogurt. Trust me on the yogurt – it makes the cupcakes extra moist! Whisk it all up until it’s nice and smooth. Don’t overmix, though; we want tender cupcakes, not tough ones!

Next, fill each liner about halfway with the batter. This is the fun part: gently tuck one mini peanut butter cup right into the middle of each. Don’t push it down too hard, you want it to get all melty and delicious inside. Pop them into the preheated oven. They’ll need about 16 to 20 minutes. You’ll know they’re ready when a toothpick you stick into the cake part (not the peanut butter cup!) comes out clean. Let them cool completely in the pans before you even think about frosting them – a warm cupcake is a frosting disaster waiting to happen!

A bite taken out of a rich chocolate peanut butter cupcake, revealing a creamy peanut butter filling and topped with peanut butter frosting and chocolate chunks.

While those cool down, let’s whip up the frosting. In another bowl, beat together that softened butter and the creamy peanut butter until it’s super smooth and looks like whipped gold. Then, dump in the powdered sugar and that teaspoon of vanilla extract. Mix it up – it might look a bit crumbly at first. Gradually add the milk, about a tablespoon at a time, beating until it’s light, fluffy, and perfectly spreadable. If it’s too thick, add a tiny bit more milk; if it’s too thin, a little more powdered sugar should do the trick. This frosting is seriously addictive, kind of like how these chocolate chip cookies are!

Once your cupcakes are totally cool, it’s frosting time! You can pipe it on with a fancy bag or just spread it on with a spatula – either way, make it look pretty! Top them off with some chopped mini peanut butter cups for that extra crunch and visual appeal. Seriously, these are almost as good as Mary Berry’s chocolate cake!

Serving Suggestions for Your Peanut Butter Cupcake Masterpiece

These cupcakes are pretty darn perfect on their own, but if you want to take things to the next level, here are a few ideas:

A Glass of Cold Milk: Seriously, it’s the classic pairing for a reason! The cold milk cuts through the richness and just makes everything taste even better. Don’t knock it ’til you try it!

Fresh Berries: A small bowl of fresh raspberries or strawberries on the side adds a lovely burst of tartness that balances out all that chocolate and peanut butter goodness. Plus, it adds a pop of color!

A Drizzle of Chocolate Ganache: Feeling extra fancy? A little extra drizzle of warm chocolate ganache over the frosting adds another layer of decadence. It’s like a double chocolate surprise!

Coffee or Tea: For the grown-ups, a hot cup of coffee or tea is the perfect companion. The slight bitterness really makes those sweet, creamy flavors sing. It’s reminiscent of how a good cup of coffee pairs with a slice of carrot cake.

Storing and Reheating Your Chocolate Peanut Butter Cupcakes

Okay, so you’ve got these amazing chocolate peanut butter cupcakes, and you want them to stay perfect, right? I usually pop mine into an airtight container. They’ll keep beautifully in the fridge for about 3 days. Honestly, they rarely last that long in my house! If you’re planning to make them ahead of time for a party, this is totally doable. Just be sure to let them sit on the counter for about 15-20 minutes before serving – that way, the frosting softens up just right and the cakes aren’t cold and solid.

Frequently Asked Questions About Chocolate Peanut Butter Cupcakes

Got questions? I’ve got answers! These peanut butter cupcakes have a way of making people curious, so let’s dive into what folks usually want to know.

Can I make these Reese’s Peanut Butter Cupcakes dairy-free?

Great question! You can totally adapt these Reese’s Cupcakes. You’ll want to swap the milk for a dairy-free alternative like almond or oat milk, and use vegan butter and a dairy-free peanut butter for the frosting. For the chocolate cake mix, just check the ingredients to make sure it fits your needs, or whip up a simple homemade chocolate cake from scratch! It might change the texture slightly, but the flavor combo will still be amazing.

What’s the secret to that gooey peanut butter center in these Reese’s Peanut Butter Cup Cupcakes?

Ah, the magic surprise! The key is using mini peanut butter cups right in the center of the batter. As they bake, they get wonderfully gooey and create this decadent, melted center that’s just divine. Just make sure you don’t fill the liners too full before adding the peanut butter cup. It helps ensure everything bakes up perfectly, kind of like how careful prep makes no-bake peanut butter chocolate protein bars turn out great!

How can I make extra peanut butter frosting for these Reese’s Peanut Butter Cupcakes?

If you’re like me and believe there’s no such thing as too much frosting, just double the frosting recipe! It’s super straightforward, and you’ll have plenty to go around. You can even use some of that extra frosting to make a batch of simple peanut butter balls on the side if you’re feeling ambitious!

Before You Go: Enjoy Your Delicious Creation!

I truly hope you have as much fun making and devouring these chocolate peanut butter cupcakes as I do! They’re a little slice of heaven, perfect for anyone who loves a good healthy chocolate dessert. Give them a whirl and don’t forget to leave a comment below to tell me how they turned out – I can’t wait to hear about your baking triumphs!

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A rich chocolate peanut butter cupcake, cut in half to reveal a gooey peanut butter filling and topped with peanut butter frosting and chocolate pieces.

Chocolate Peanut Butter Cupcakes


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  • Author: Jordan Bell
  • Total Time: 40 min
  • Yield: 24 cupcakes 1x
  • Diet: Vegetarian

Description

Soft chocolate cupcakes with a creamy peanut butter center and fluffy peanut butter frosting.


Ingredients

Scale
  • 1 box chocolate cake mix
  • 3 large eggs
  • 1 cup milk
  • 1/4 cup vegetable oil
  • 2 tablespoons plain Greek yogurt
  • 24 mini peanut butter cups
  • 1/2 cup unsalted butter, softened
  • 1 1/2 cups creamy peanut butter
  • 2 cups powdered sugar
  • 1 teaspoon vanilla extract
  • 2 to 3 tablespoons milk

Instructions

  1. Preheat your oven to 350°F. Line two muffin pans with cupcake liners.
  2. In a large bowl, mix the cake mix, eggs, milk, oil, and Greek yogurt until smooth.
  3. Fill each cupcake liner halfway with batter. Place one mini peanut butter cup in the center of each.
  4. Bake for 16 to 20 minutes, or until a toothpick inserted into the cake part comes out clean. Let the cupcakes cool completely.
  5. For the frosting, beat the butter and peanut butter together until smooth and creamy.
  6. Add the powdered sugar and vanilla extract. Mix until combined.
  7. Gradually add the milk and beat until the frosting is light and fluffy. Adjust the consistency with more milk if needed.
  8. Pipe or spread the frosting over the cooled cupcakes.
  9. Chop the remaining peanut butter cups and sprinkle them on top for garnish.

Notes

  • Store cupcakes covered in the refrigerator for up to 3 days. Let them sit at room temperature briefly before serving.
  • Prep Time: 20 min
  • Cook Time: 20 min
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 1 cupcake
  • Calories: 380
  • Fat: 24
  • Carbohydrates: 36
  • Protein: 7

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