If you love decadent desserts with a twist, these Mint Oreo M&M Cookie Bars will be your new go-to treat! Combining the classic flavors of mint, rich Oreos, and colorful M&Ms, these bars are an explosion of taste and texture in every bite. Perfect for mint lovers and cookie fanatics alike, this easy-to-make dessert will surely be a crowd-pleaser at parties, holiday gatherings, or just a special indulgence at home. Prepare for the ultimate sweet treat that’s chewy, crunchy, and oh-so-delicious!

Mint Oreo M&M Cookie Bars
Equipment
- baking pan
- cooking spray
- aluminum foil
Ingredients
- ½ cup unsalted butter melted
- 1 egg
- 1 cup brown sugar packed
- 1 tablespoon vanilla extract
- 1 cup all-purpose flour
- ½ teaspoon salt
- 18 Mint Oreo cookies roughly chopped
- ½ cup Green M&M’s may use original chocolate or mint flavored
Instructions
- Preheat oven to 350 degrees F. .
- Prepare an 8×8 baking pan with cooking spray or lining with aluminum foil for easy removal. Set aside
- Add melted butter (slightly cooled), egg, brown sugar, and vanilla extract into a large bowl. Whisk.
- Add the flour and salt – stirring just until combined.
- Now add the crushed Mint Oreos, followed by the M&M’s.
- Spoon the batter into prepared pan. Spread it so it is evenly distributed and reaches the edges of the pan. Optional: To make your cookie bars even more appealing, you may place a few extra M&M’s and crushed Oreo’s strategically on top.
- Bake in a preheated oven for approximately 18-21 minutes or until the center is done.
- Allow the bars to cool for 60 minutes on a wire rack. They will firm up as they cool.
- Place the bars on a cutting board and using a sharp knife – cut into either 9 or 12 squares.
- *Store bars in an airtight container at room temperature for up to 1 week.
Nutrition
You’re going to love making these Mint Oreo M&M Cookie Bars! They combine an irresistible mix of flavors and textures that are sure to become a favorite in your dessert rotation. With the cool mint flavor, crunchy Oreo chunks, and the colorful pop of M&Ms, these cookie bars offer something exciting in every bite. Whether you’re baking them for a special occasion, bringing them to a gathering, or just indulging yourself at home, these bars will hit the spot every time.
Making these cookie bars is simple and straightforward, perfect for both novice and seasoned bakers. You’ll love how quickly they come together, and the results will leave everyone asking for the recipe. The balance of chewy cookie dough, crunchy Oreos, and smooth chocolate with a hint of mint makes these cookie bars both fun to eat and wonderfully indulgent.
Treat your friends, family, or yourself to this unique dessert that blends the best of several flavors into one delicious bite. Each square offers a perfect balance of sweetness, making it a must-try for anyone who enjoys desserts that are just as much about fun as they are about flavor. Give them a try and see how quickly they become a hit!
If you like these, check out these Oreo Turkey Cookies too!
My kids would gobble those right up! They sound seriously yummy!
First making bars over cookies is faster and easier so more people like to make them. Nice you used the mint since St Patrick Day is almost here. Adding M&M’s is always a treat and popular with everyone.
These have all of my favorite things in them! I’ll be making this recipe very soon. thank you!
My kids love cookie bars and to be honest, I find them much easier to make. I’ll make these for St. Patrick’s Day.
These look so good. My kids love oreos (who doesn’t) but I have never thought to incorporate into a cookie.
Oh these look so good. Love those M&M’s for the season. Sharing!!
You had me at Oreos! I love anything with Oreos. I know my kids will eat this all up. What a great little snack for get togethers.
These look really good! I love oreos and I love m&m’s so these mint oreo m&m cookie bars would be right up my alley.
I am saving recipes like this for when I need to babysit my grandchildren. They are always looking for something to munch on and I have to be prepared every time! I think they’ll enjoy these mint oreo m&m cookie bars while watching their favorite cartoon show.
These are super festive for the upcoming St Patrick’s Day holiday. These would be a perfect snack to celebrate.
These look good… my family would like them. 🙂
My daughter loves mint and she loves Oreos. I will definitely have to make this for her.
Um, yes please! I need to make these, they look delicious! I have such a sweet tooth and cookies of any kind are my favorite.
This looks so great!
Yum! I had no idea that they had Mint Oreos, where have I been? Those look like the perfect treat for St Patrick’s Day!
Those look delicious. Love mint and chocolate.
Thanks for sharing at Funtastic Friday!
How delicious! Pinned.
I really like making bars because they are so easy to make and love your St. Patrick’s Day version! so much fun! Thank you for sharing at Sweet Inspiration this week!
Looks crunchy and sweet! Perfect for someone who has a sweet tooth like me! I love the combination too, mint oreos! 😛
I love chocolate and mint together and your recipe is making me hungry!!
My kids will certainly enjoy it! Thanks for sharing it..
Yum! I love anything mint flavored. Your mint oreo cookie bars sound great. Thanks for sharing at Snickerdoodle. Pinning.
YUM!!! I love all things mint so this looks sooo delicious 🙂 Thanks for the awesome recipe !!
Wow these look SO delicious! I love how pretty they are and how tasty they look – the colors are so fun! Can’t wait to try this recipe out!
You cannot go wrong with mint and oreos. Yummy and delicious treat. Thanks for sharing your creativity at DI&DI.
These cookies last a week in an airtight container? They won’t last two days in my house. YUMMM!
Thanks for sharing the recipe on #TastyTuesdays
Your Mint Oreo MM Cookie Bars look delicious! Thanks so much for sharing your awesome recipe with us at Full Plate Thursday. Hope you are having a great week and come back to see us real soon!
Miz Helen
How pretty and tasty!! What a neat treat! 🙂
I would love for you to share this with my Facebook Group for recipes, crafts, tips, and tricks: https://www.facebook.com/groups/pluckyrecipescraftstips/
Thanks for joining Cooking and Crafting with J & J!
Who wouldn’t love these?! Pinning to share! Thanks for sharing with us this week at Brag About It!
What a yummy looking recipe. Pinning for future taste!
Yum. I might have to try these this weekend!
Hello! I love your recipe! Thanks for sharing for Thursday Favorite Things! I have featured you on my blog for our party!