Oatmeal Cream Pie Cupcakes

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These Oatmeal Cream Pie Cupcakes starts with a spice mix cake mix with some added brown sugar, cinnamon and nutmeg. The frosting is a creamy marshmallow-cinnamon frosting with some Little Debbie Oatmeal Cream Pies mixed into the frosting.

This was originally posted in 2013 and has been updated in 2017

A close up shot of a cupcake sitting on top of two Oatmeal Cream Pies. The cupcake has a blue polka dot wrapper and it's topped with a heaping scoop of frosting

As we say goodbye to September, I do welcome October with open arms! This is kind of of a fun weekend for me because today is one of my best friends birthday and tomorrow is my mother’s birthday! My friend Alison lives in Massachusetts, so I don’t see her very often.  But I do recall a very memorable birthday of hers, and it was long before these Oatmeal Cream Pie Cupcakes. 

You see, I used to tell people I was “allergic” to pretty much any type of Asian food, because I simply didn’t like it. Well Alison wanted to go to a teppan grill for one of her birthdays. She told me I could get chicken teriyaki and I would be fine. Which I was, until they started throwing things in the air and playing with the spatulas.

A white cake stand with brown sugar and cinnamon cupcakes topped with a generous scoop of oatmeal cream pie frosting

When the chef decided to throw me a piece of Zucchini to catch in my mouth, I politely denied him, and he wasn’t having it. Instead, he throws it my direction and it hits me square in the forehead. I was mortified.

Fast forward to my adult life, I have now traveled to Asia for work several times, and kind of love Chinese food (just not the crazy stuff). And to this day, every time I go to a teppan grill, I am pleasantly reminded of Alison’s birthday. I know, this has nothing to do with cupcakes, so let me get to the point.

A cinnamon and brown sugar cupcake with a blue polka dot wrapper sitting on top of two oatmeal cream pies. The cupcake is topped with a big scoop of oatmeal cream pie frosting and dusted with cinnamon

Prepare to put your sweatpants on because I am not sure if you will be able to stop at just one of these Oatmeal Cream Pie Cupcakes.  The combination of a sweetened brown sugar spice cupcake with an oatmeal cream pie frosting will just leave you begging for more.

This cupcake starts with a spice mix cake mix with some added brown sugar, cinnamon and nutmeg. I love altering cake mixes to come up with different recipes. There is so much you can do with a cake mix.

The frosting is a creamy marshmallow-cinnamon frosting with some Little Debbie Oatmeal Cream Pies mixed into the frosting. Seriously amazing stuff you guys.  Oatmeal Cream Pies always remind me of my summers at the lake during Girl Scout Camp. We always had bagged lunches and for whatever reason, this was such a treat to find in my lunch!

Maybe sometime I’ll even make my own homemade oatmeal cream pie bars. But for now, I am sticking with the real thing.

A white cake stand with brown sugar and cinnamon cupcakes topped with a generous scoop of oatmeal cream pie frosting. The cupcake has a big bite taken out of it.

I have kind of been obsessing about an Oatmeal Cream Pie frosting, since I saw THIS CUPCAKE– WOW . I LOVE LOVE LOVE Oatmeal Cream Pies, but I simply feel so guilty eating them. So I hide my guilt by adding them into the marshmallow frosting. Problem solved.

Now I do love a healthy portion of frosting. So my frosting makes enough to generously frosting more than 24 cupcakes. You can see from my photos that I put a heaping scoop of frosting on each cupcake. I like to use a large cookie scoop since you can’t really pipe this. You could most definitely frosting an 8” or 9” cake as well.

A cinnamon and brown sugar cupcake with a blue polka dot wrapper sitting on top of two oatmeal cream pies. The cupcake is topped with a big scoop of oatmeal cream pie frosting and dusted with cinnamon

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A close up shot of a cinnamon and brown sugar cupcake with a blue polka dot cupcake liner, topped with a big scoop of oatmeal cream pie marshmallow frosting

Oatmeal Cream Pie Cupcakes

  • Prep Time: 20 minutes
  • Cook Time: 15 minutes
  • Total Time: 35 minutes
  • Yield: 24 Cupcakes

Description

This Oatmeal Cream Pie Cupcake starts with a spice mix cake mix with some added brown sugar, cinnamon and nutmeg. The frosting is a creamy marshmallow-cinnamon frosting with some Little Debbie Oatmeal Cream Pies mixed into the frosting.

Ingredients

For the Cupcake:

  • 1 Box Spice Cake Mix
  • 3 Large eggs
  • 3/4 C Buttermilk
  • 1/2 C Vegetable oil
  • 3/4 C Sour Cream
  • 1 tsp Pure vanilla extract
  • 2 tsp Cinnamon
  • 1/2 tsp Nutmeg
  • 2 tbsp Light brown sugar

For the Frosting:

  • 7 Oatmeal Cream Pies
  • 1 1/2 C Unsalted butter at room temperature
  • 1 7oz Jar Marshmallow fluff
  • 2 tsp Pure vanilla extract
  • 45 C Powdered sugar
  • 2 tbsp Heavy whipping cream
  • 2 tsp Cinnamon
  • Pinch on salt

Instructions

  1. Preheat oven to 350°F.
  2. Combine spice cake mix with eggs, buttermilk, oil and sour cream. Mix on medium speed just until combined.
  3. Add vanilla extract, cinnamon, nutmeg and brown sugar, continue mixing until incorporated.
  4. Line a muffin pan with cupcake liners and fill each one 2/3 full of batter.
  5. Bake at 350° for 15-18 minutes. Check for doneness by inserting a toothpick in the middle of the cupcake. If the toothpick comes out clean, your cupcakes are done.
  6. Allow cupcakes to cool for five minutes before transferring to a wire rack and cool completely before frosting.
  7. To prepare the frosting, start by grinding up the Oatmeal Cream Pies using a food processor to grind into a small crumbs. Set aside.
  8. Allow butter to come to room temperature enough for it to be slightly softened but not melted. Whip butter in mixer using the paddle attachment for several minutes until butter is smooth and creamed.
  9. Add jar of marshmallow fluff and beat into butter until well combined. Mix vanilla extract into butter and fluff combination.
  10. Pour powdered sugar into mixing bowl two cups at a time, mixing well after each addition. I used five cups for my frosting to make it a little more stiff.
  11. Add heavy whipping cream and beat into the frosting. This helps to add to the creaminess of the frosting while cutting down the sweetness from the powdered sugar and marshmallow fluff.
  12. Lastly, added the cinnamon and a pinch of salt. Once mixed in, add the Oatmeal Cream Pie Crumbs and beat on low until incorporated.
  • Category: Cupcakes
  • Method: Baked
  • Cuisine: American

Keywords: Cupcake Recipe, Oatmeal Cream Pie Recipe

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57 Responses
    1. Beyond Frosting

      Hi Jae- I can work out it! You can try swapping out some of the white sugar with brown sugar and then add some cinnamon!

    1. Beyond Frosting

      Hi Raegan. Generally speaking a coxed cake mix is best for a 2 layer 9-inch cakes. However for an 8-inch cake, I would still suggest only baking these in two pans. The cake will be much taller, but it’s not enough batter for a 3 layer cake.

  1. Petie S.

    You are my new favorite baking website!! Excellent recipes. Excited to bake some of your recipes, starting with these oatmeal cream pie cupcakes…yum!!

  2. Whitney

    This is awesome!!! Those were my gavorite cookies as a kid. I cant wait to try this recipe!!!
    I also would like to know where I can find the recipe for the picture o Mbeki the very top far left!

    1. Beyond Frosting

      Hi Karianna, If you left the Oatmeal Cream Pies out of the frosting, would you just be making a vanilla or cinnamon frosting? You need to adjust the amount of liquid and powdered sugar. The Cream Pies add a lot of structure to the frosting, so you don’t want to add to much wet ingredients and have your frosting be runny.

      1. Karianna

        Thanks for replying! I actually went ahead and made them already. I followed the recipe exactly, just omitting the pies and it turned out just fine. Very yummy! 🙂

  3. Ayla

    The cupcakes look absolutely delicious!! I would love to make these but I don’t have time to get marshmallow fluff. Is There an alternative frosting I can put on the cupcakes? Thanks

  4. Hollie S

    mmm I followed the directions giving but why does the frosting taste soooooo must like butter? is 1 and a half cups a mistake? thanks

  5. Heavenly Cupcake

    Thanks for this recipe:) Just made them only thing is I grabbed no fat sour cream by mistake really hoping they still turn out. Think they’ll be ok?

  6. Paula

    I featuring your cupcake this afternoon on Marvelous Mondays, because, quite frankly, I’ve dreamed about them ALL week! Oatmeal Cream Pies where my absolute favorite after school snack and I always had one before my basketball games too!! Thanks for sharing this amazing cupcake with us!

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