These Homemade Mint Oreos have a simple mint buttercream sandwiched between crisp, yet tender, dark chocolate cookies!
I think it’s safe to say that I’ve become quite a fan of sandwich cookies, whoopie pies, whatever you want call them, and these homemade mint oreos are so delicious! 
The cookie base is crisp, yet tender and full of dark chocolate goodness! If you like softer cookies, just wait to eat these until the second day. The moisture from the mint buttercream soaks into the cookie and makes it really tender! Speaking of mint buttercream … I’m a fan of mint as long as it doesn’t taste like toothpaste, and since this recipe only uses 1 tsp of peppermint extract, you get all that mint flavor without feeling like you are brushing your teeth and eating cookies at the same time. 😉 
I took these cookies to a church party and a little boy came up to me and was like, “Your mint Oreos are very yummy!” It was adorable and also makes these cookies kid approved! 😀
Homemade Mint Oreos
These Homemade Mint Oreos have a simple mint buttercream sandwiched between crisp, yet tender, dark chocolate cookies!
Ingredients
Cookies
- 1 1/4 cups all-purpose flour
- 1/2 cup Hershey's Special Dark Cocoa
- 1 tsp baking soda
- 1/4 tsp baking powder
- 1/4 tsp salt
- 1 1/4 cup sugar
- 1/2 cup plus 2 Tbsp unsalted butter, room temperature
- 1 large egg
Mint Buttercream
- 1/3 cup unsalted butter, room temperature
- 1/3 cup shortening
- 1 tsp peppermint extract
- 6 to 8 drops green food coloring
- 2 cups powdered sugar
- 2 to 3 tsp water or milk for thinning the frosting to desired consistency
Instructions
- Preheat oven to 375 degrees Fahrenheit.
- In a stand mixer with the paddle attachment, thoroughly mix the flour, cocoa, baking soda, baking powder, salt, and sugar. Add the butter 1 Tbsp at a time until the mixture crumbles, then add the egg. Continue mixing until the dough comes together.
- Scoop dough into Tablespoon sized balls and place them on parchment or silicone lined baking sheets 2-inches apart. Slightly flatten dough balls with moistened hands or the bottom of a wet measuring cup.
- Bake for 9 minutes. Move baked cookies to a wire rack to cool.
- To make the buttercream, whip butter and shortening in a large bowl with a hand mixer until light and fluffy. Mix in the peppermint extract. Gradually beat in the powdered sugar. If the frosting becomes too stiff to pipe from a plastic bag, add water 1 tsp at a time until desired consistency.
- Fill a plastic sandwich bag with mint buttercream. Cut off the corner and pipe a swirl on the bottom of one cookie. Top with the bottom of another cookie to create an Oreo sandwich cookie. Repeat with all cookies. Store in an airtight container up to 5 days.
Recipe Notes
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Recipe altered from Sugar Cooking
I steer clear of toothpaste tasting mint! It’s never good. These homemade oreos look perfect in every way, Amber.
For real, too much mint is no bueno! Thanks Jen!
I love anything with mint and chocolate, especially when it’s in cookie form! These look delicious!
Me too! Thanks Danielle!
Amber, these look absolutely incredible! I am all about the mint! 🙂
Thanks Michelle! They were pretty darn tasty!
Wow. I love these. I’ve never had the Mint Oreos, but the DIY ones look like perfection. Just up my alley!
I’m picky with my mint treats. If it tastes like toothpaste, I don’t like it, so I prefer to make my own anyway. These were way good!
These came out looking perfect! Isn’t the special dark cocoa powder so great? I love it! I bet the dark chocolate and mint went perfectly together!
Hi, These look terrific!!! Can you sub extra butter instead of shortening? This way I don’t have to wait!!! 🙂
Since it’s mint buttercream frosting, yes go ahead! Enjoy!
These were amazing!!!! The whole family loved them and now they are gone!!!!!!! Need to make more 🙂
That’s so great! Thanks for leaving your review!
These mint oreos look incredible, Amber! I love the dark chocolate and mint combo!
Thanks Kelly! I think the dark chocolate tastes just as good as regular and it gives it more of an oreo look. 🙂
Amber, these look amazing! Chocolate and mint are brilliant. I have to try it myself!
Thank you! They were very tasty!
Looks awesome. Question- I have mint flavoring not peppermint. Is there a big difference? I love mint ice cream and always chose spearmint over peppermint gum. Do not like peppermint candy at all… If I use the mint flavoring will it end up tasting like mint jelly and not mint cookies? Want to maKe these tomorrow.
The mint flavoring will work just fine. I’ve used it in other cookies (https://www.dessertnowdinnerlater.com/2012/12/creme-de-menthe-brownie-sandwiches/), because I prefer it over peppermint as well. Enjoy!
what if i used real mint instead of pepermint? i’m so exited to try those it looks so yum!!! thank you for the recipe btw! ^_^
I would chop up the mint finely and do about 1 Tbsp fresh mint leaves. Let me know how it turns out!
I was looking around for a good homemade Oreo cookie recipe and came across this one. As I was reading the comments to see if it was worth trying I suddenly realized it was from someone I know!!! So fun to see your successes! I will have to give these a try.
Hey Trina! That’s so funny! I’m glad you found me! 😉 Yep, I blog from home full time while I take care of my 3 kids. How are you? I hope you like the cookies. 🙂
Did you test out freezing these? I am trying to make cookies ahead of time for Christmas and am trying to decide if I can do that with these. Thank you!!
Hi Michelle,
I haven’t frozen these, so I can’t say for sure, but I would place a sheet of parchment paper or wax paper on top of each layer of cookies, then double or triple wrap it with plastic wrap. If you try it, let us know how it goes!