Peanut Butter Oreo Brownie Cakes

These Peanut Butter Oreo Brownie Cakes are heaven in a bite! Stuffed with peanut butter and oreo cookies, this easy brownies recipe is flavorful and delicious!

Image of Oreo Peanut Butter Brownie Cakes with a Glass of Milk

Peanut Butter Oreo Brownie Cakes

Well these naughty little treats are well….naughty but oh so necessary. There are a bit like my Brownie Covered Oreo’s from last Christmas but enhanced with layers of peanut butter and a double decker stack of Oreos in each little brownie cake. They are simply prepared in cupcake liners.

Hope you enjoy this ultra sweet little cake 🙂

Image of Ingredients for Oreo Peanut Butter Brownie Cakes

Ok, I have to brag about this brownie mix from Trader Joes for a second. I know not everyone has a Trader Joes near by, however if you do, get a load of their ready to pour baking mix. I am in love! Other than a brownie mix, you just need some of your favorite peanut butter and some Oreos. You can even use the Trader Joe’s Jo Jo’s 🙂

Image of Stacked Oreos

Break out 24 Oreo Cookies.

Image of Jif Creamy Peanut Butter

Some of your favorite peanut butter.


Image of Peanut Butter on an Oreo Cookie

How to Make Peanut Butter Oreo Brownie Cakes

Spread a teaspoon of peanut butter over Oreo #1.


Image of Peanut Butter Sandwiched Between Two Oreos

Press a second Oreo right on top 🙂

Image of Putting Peanut Butter on Oreos

One more teaspoon right on top.

Image of Oreos with Peanut Butter

Place the little stack right into a cupcake lined muffin cup.

Image of Oreos and Peanut Butter

Like so 🙂

Image of Brownie Mix in a Bowl

Take your brownie mix….

Image of Oreo Peanut Butter Brownie Cakes in a Cupcake Tin

…and spoon a couple tablespoons right over top, letting it run around the edges of the cookies.

Image of Unbaked Oreo Peanut Butter Brownie Cakes

Mmmm! Time to bake! 350 degrees F. for 18-20 minutes.

Image of an Oreo Peanut Butter Brownie Cake

Ahhhh, wait until you cut them in half. Too fun!

Image of Oreo Peanut Butter Brownie Cakes on a Cake Platter

Image of a Peanut Butter Oreo Brownie Cake

Peanut Butter Oreo Brownie Cakes

These Peanut Butter Oreo Brownie Cakes are heaven in a bite! Stuffed with peanut butter and oreo cookies, this easy brownies recipe is flavorful and delicious!
Course: Dessert
Cuisine: American
Prep Time 20 minutes
Cook Time 18 minutes
Total Time 38 minutes
Servings: 12 brownies
Calories: 363kcal
Author: Jenny
Print Pin


  • Oven


  • 1 box brownie mix 8x8 inch size
  • 24 oreo cookies
  • 1/2 cup creamy peanut butter


  • Preheat oven to 350 degrees F. and line a 12 muffin cup baker with paper liners.
  • Prepare brownie mix according to package directions. For each cupcake cup spread 1 teaspoon of peanut butter over 2 Oreo cookies and stack them on top of each other. Spoon 2 Tablespoons of brownie batter over each stacked oreos and let it run down the sides of the cookies.
  • If you have left over brownie batter, bake separately in a separate baker or muffin tin. Bake cookies and brownies for 18 to 20 minutes, until brownies are cooked through. Let cool completely then serve.


Calories: 363kcal | Carbohydrates: 52g | Protein: 6g | Fat: 15g | Saturated Fat: 4g | Sodium: 284mg | Potassium: 121mg | Fiber: 1g | Sugar: 32g | Calcium: 10mg | Iron: 3mg
Keywords: brownie cake recipe, brownie cupcakes, brownie mix cakes, oreo cookie brownies, oreo cookie recipe, peanut butter brownies, peanut butter brownies recipe


Enjoy! Come back soon 🙂

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157 Responses
  1. Ruth

    How hard is it not to eat them all in one sitting? They look amazing. Three of my most favorite foods!

  2. Amy

    Every single one of my batch stuck to the bottom of the cupcake papers. You should mention that, or has anyone else had this problem?

  3. Muna Kenny

    These Heavenly brownies made me wish I was a little girl, then no one will blame me for attacking half of it 🙂

  4. Amy

    Oh my word! Printed, saved, and ingredients added to my next grocery trip! My husband and kids will go crazy over there for sure ☺

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  6. Amanda

    Yummy omg so good just made them … One suggestion add a bit of brownie batter to the bottom of the baking cups before you put the Oreos in

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  8. Marlene

    I made the oreo peanut butter brownie cakes for Superbowl 49 and they were a bit hit. I did not have enough oreos to make the last six using two oreos in each brownie, so the last six only had one oreo and they were just as delicious as the brownies with the two oreos. The recipe was a success and the Patriots are the Superbowl Champs what could be better than that……Enjoy

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  10. Tracy

    I have made these a handful of times since finding this recipe a few weeks ago and they are always well received! Very easy to make and they taste absolutely amazing! Thank you for sharing!

  11. Terry

    Made these and they came out perfect. Not hard and the paper did not stick. Just followed the recipe but used a brownie box mix. Baked for about 18 min. or until the tooth pick came out clean.

  12. Rene

    I made these last night for my co-workers. I kept checking them to see if they were ready in the oven, and they didn’t look done. So I cooked them longer than the 18 minutes. DO NOT DO THAT!!! They were as hard as a stone! If you make these, take my advise, and follow the directions for the oven time. Don’t make the mistake I did, thinking that a few more minutes won’t hurt!!!

  13. Heidi

    I make these for my husband’s work every time they have a pot-luck. They call them “crack in a cupcake”. Every potluck I ask him if I should make something different. Nope, they all want their crack in a cupcake. From the guys of the sunrise shift at the Ontario UPS hub, thanks for the recipe.

  14. Liz (formerly VeggieGirl)

    Going to bake these tomorrow, using Trader Joe’s gluten-free brownie mix, gluten free version of Trader Joe’s Jo-jo cookies, and their peanut butter 😀 Can’t wait to bake them!

  15. James

    Just made these for my friends and one has just said it’s probably the best brownie he has ever eaten!!! Thank you… MOST definitely going to bake these again!!!!!

  16. Kelly

    I made this a bit differently today. I used one oreo, opened it, put peanut butter on one side of the cookie then put the cookie back together. Did everything else the same. This way I can make more. I made 30 of them! Yummy.

  17. Carol Homer

    My family really like these but my liners stick to the bottom of the cookie and won’t completely peel off. Any thoughts?

  18. andy

    This is disgusting. I cant believe what crap people will eat. why dont you just save yourself the time and effort of making these treats and just poor the sugar down your throat and give a heads up to your doctor to have your diabetese medication ready.

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