Peanut Butter Oreo Cupcakes with a swirled chocolate peanut butter frosting and a chocolate cake baked on top of an Oreo! How perfect is this? Not only are that absolutely delicious but they look like little masterpieces!
The Story:
Soft serve ice cream was probably my favorite treat as a kid–right behind the Peanut Buster Parfait from DQ. But my 5-year-old brain could never understand why everyone didn’t just get the vanilla-chocoalte swirl. Why choose between chocolate and vanilla when you don’t have to? I would always look at the people who got just vanilla like they were a boring martian.
Now, at 24… I am a martian.

Peanut Butter Swirl Oreo Cupcakes
Ingredients
Chocolate Cake:
- 20-24 Peanut Butter Oreos
- 1 box devil's food cake mix
- 3 eggs
- 1/2 C. oil
- 3/4 C. sour cream
- 1/2 C. milk or buttermilk
- 2 tsp. vanilla extract
Peanut Butter Frosting
- 6 Tbsp. butter softened
- 1/2 C. peanut butter creamy
- 2 tsp. vanilla extract
- 2-4 Tbsp. milk
- 2-3 C. powdered sugar
Chocolate Frosting:
- 3/4 C. butter softened
- 2 tsp. vanilla extract
- 2 Tbsp. milk
- 1/3 C. unsweetened cocoa powder
- 2-3 C. powdered sugar
Extra Peanut Butter Oreos to decorate
Instructions
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1. Preheat oven to 350 degrees and line pans with cupcake liners.
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2. Place an Oreo at the bottom of each liner.
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3. In a large bowl. sift cake mix to remove any lumps.
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4. Add eggs, oil, sour cream, milk and vanilla extract and stir until smooth.
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5. Fill cupcake liners (over the Oreos) 3/4 full and bake for 15-20 minutes or until an inserted knife comes out clean.
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6. Let cool.
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7. Peanut Butter Frosting: Beat butter and peanut butter. Add vanilla extract, 2 tablespoons milk and 1 cup powdered sugar and beat again. Alternate between adding more milk and more powdered sugar until you reach your desired consistency.
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8. Chocolate Frosting: Beat butter and vanilla extract. Add milk, cocoa powder and 1 cup powdered sugar and beat again. Continue to add in more powdered sugar until you reach your desired consistency. If it becomes too thick, add more milk.
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9. To achieve the "swirl" effect, follow photo directions beneath.
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10. Pipe onto cooled cupcakes and top with extra Peanut Butter Oreos.
There are a few ways to get the “swirl” effect of two different colored/flavored frostings, but this is the cleanest looking way to do it. You will need 3 piping bags and 1 piping tip! Fill 2 bags, one with each flavor. Place your piping tip into the 3rd bag. Then wiggle both filled bags simultaneously into the bag with the tip.
To do this easily, don’t fill your frosting bags too full! I patted mine down flat, put one on top of the other and slid them into the other bag. Here’s a link to some great disposable bags on amazon! And here’s a link to my all-time favorite piping bag 🙂 It’s east to clean and not too stiff when working with it. (I used the Wilton 2D piping tip for these cupcakes!)
When you pipe, make sure to squeeze the bag from the top to evenly apply pressure to both frosting bags so you get the same amount of peanut butter and chocolate frosting coming out! Then just pipe the cupcake like normal and top it with an extra Peanut Butter Oreo!
So gorgeous! The cute liners are from Sweets & Treats!
Stop it. These look amazing!!!! Definitely one of my very favorites you have made. I think I say that about all of them though. Absolutely stunning!
That frosting swirl looks great!
Tricky!! But so Awesome! Can’t wait to try! TY
These look great! Would be perfect for my Virtual Bake Sale for Macmillan Cancer Support- check it out here http://www.foodnerd4life.com/virtual-bake-sale-2014/
FoodNerd x
Wow, these looks amazing! Chocolate, peanut butter and Oreo in one cupcakes – I must be in heaven already! Great job!
I am so craving a bite of these cupcakes right now, they look amazing! Anything with peanut butter and oreo’s is right up my alley.. I have to recreate the recipe!
Love peanut butter and chocolate together! These look awesome! Love your tip on the frosting swirl.
Love the swirly frosting! And as always, peanut butter and chocolate are a match made in heaven.
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Hi Lizzy! I know you said you can use milk or buttermilk in this recipe but which one would you recommended?
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