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Christmas Monster Cookies for your December weekend baking…festive, easy, and sweet. Homemade chocolate chip cookies, made with oats, pretzels pieces, plenty of chocolate chunks, white chocolate, and plenty of holiday M&M’s. There’s nothing not to love about these sweet chocolate (crunch) cookies. Each bite is slightly crisp on the edges but soft and gooey in the center…with just a little salty pretzel crunch and milk chocolate throughout.
Fridays in December are just better! There are holiday parties, searching for the perfect gift for someone you love, and baking the nights away with family and friends. Well, at least that’s the “Hallmark” version I have in my head.
The reality is a little less picture-perfect for sure, but I’m definitely doing the baking! It’s one of the reasons we love this season the most. I mean there are so many cookies! As I said on Tuesday, this year I’m really focusing on all of the holiday cookies I haven’t made before.
My list of cookies is a mile long, but I only have a handful of days to share them. So, I’m trying to pick the very best on my list. It’s tricky, but I always knew these cookies needed to be shared. The combination of ingredients is just too good.
The steps are easy
One: gather your ingredients. You’ll need the basics…butter, sugar, flour, etc. Simple, simple, nothing fancy, but all good.
Two: the stir-ins, they’re are the most important part. You’ll need old fashioned oats, salted pretzel twists, semi-sweet or dark chocolate chunks, and white chocolate chips. And then plenty of red and green holiday M&M’s, which really make these cookies.
Three: beat, mix, stir, bake.
Four: eat these cookies warm, just out of the oven, because these are those kind of gooey delicious cookies.
A couple notes
It’s important to note that these cookies do spread, so be careful when cooking the cookie dough! They’re meant to have slightly crisp edges and perfectly soft gooey centers, just like in the photos. My favorite type of cookie…totally delicious.
If you want a bit of a thicker cookie, simply omit the additional egg yolk and use only two eggs. This will give you a thicker cookie without as much spreading.
To get the M&M’s to really pop, my trick is to add in a few just before the cookies finish baking completely. This way each cookie has a bit of the festive M&M’s right on top.
What I love about these cookies is that they’re so easy to make. They require no chilling and they really are completely no fuss. Especially when it comes to Christmas cookies.
These cookies have perfectly crisp edges, yet soft and gooey centers. They’ve got a nice crunch plus a little saltiness from the pretzels – the best kind of cookie.
I’m excited to include these in the year’s Christmas cookie box. They’re perfect for packing up and gifting to friends for the holidays!
Looking for other Christmas cookies? Here are my favorites:
Easy Vanilla Bean Christmas Lights Cookies
Easy Hot Chocolate Lace Cookies
Lastly, if you make these Christmas Monster Cookies, be sure to leave a comment and/or give this recipe a rating! Above all, I love to hear from you guys and always do my best to respond to each and every comment. And of course, if you do make this recipe, don’t forget to tag me on Instagram! Looking through the photos of recipes you all have made is my favorite!
Christmas Monster Cookies
Servings: 20 cookies
Calories Per Serving: 364 kcal
Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.
Watch the How-To Reel
Ingredients
- 2 sticks (1 cup) salted butter at room temperature
- 1 cup dark brown sugar
- 1/2 cup granulated sugar
- 2 large eggs, plus 1 egg yolk
- 1 tablespoon vanilla extract
- 2 cups all-purpose flour
- 2 teaspoons baking soda
- 2 teaspoons baking powder
- 1/2 teaspoon kosher salt
- 2 cups old fashioned oats
- 1 1/4 cups holiday M&M’s
- 1 cup mini pretzel sticks, crushed
- 1 cup semi-sweet chocolate chips or chunks
- 1/2 cup white chocolate chips
Instructions
- 1. Preheat the oven to 350° F. Line a baking sheet with parchment paper.2. In a large mixing bowl, beat together the butter, brown sugar, granulated sugar, and vanilla until combined. Beat in the eggs and 1 egg yolk, 1 at a time, until combined. Add the flour, baking soda, baking powder, and salt. Beat in the oats. 3. Fold in 1 cup of the M&M's, the pretzels, chocolate chips, and white chocolate. 4. Roll the dough into 1/4 cup size balls. Place 3 inches apart on the prepared baking sheet. 5. Transfer to the oven and bake for 8 minutes, then rotate the pan and bake another 2 minutes. Pull the pan out and push the remaining M&M's into the cookies. Bake 2-3 minutes. Remove from the oven and let the cookies cool on the baking sheet. They will continue to cook slightly as they sit on the baking sheet. 6. Eat warm (highly recommended) or let cool and store in an airtight container for up to 4 days.
This post was originally published on December 3, 2021
Hey Tieghan! So excited to make these cookies. Can the dough be prepared ahead of time? Thank you!
Hey Sarah,
You bet, that works well! I hope you love the recipe, please let me know how they turn out! xTieghan
We love all of your recipes, keep them coming!!!
Thanks so much Pat!
Sooooo good and easy to make! I made mine a bit smaller and now have a ton of cookies! Thank you for yet again, another amazing recipe.
Hey Catie,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Monster is correct . Big and decadent and fun .
Thank you!
Hey Laura,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Love these! They taste great! I used the additional egg yolk but mine still came out quite thick. Any idea what I might’ve done wrong? Thank you!
Hey Haley,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! These should definitely be thick. Have the best week:) xTieghan
These cookies are amazing!!! So easy to make and my hubby loved them!!
I’m taking them tomorrow to a holiday potluck!!
Can’t wait to share this delicious treat!!
Thank you for such an outstanding cookie recipe!
Hey Vicki,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
These are so addicting! You cant eat just one. Chewy, chocolatey, delicious!
Hey Ashly,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Delicious! Tested them this evening, but used reese pieces instead of M&Ms b/c that’s what I had on hand. When I remake them with M&Ms I may add pb chips also… 🙂
Hey Chelsey,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Another great HBH recipe!! Perfectly crisp on the edges, melty in the middle. I used what I had on-hand: chocolate chips, butterscotch chips, and Andes peppermint chips. The perfect combo!! Thanks, Tieghan <3
Hey Rachel,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
These were simple to make and delicious! Needed more time to get some browning but otherwise perfect recipe!
Thanks!!!
Hey Christina,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
these look amazing. curious if these are good to make ahead, then freeze the 1/4c balls. How should I adjust the temp/time if pulling from the freezer to make “hot and fresh” as needed??
Hey Aimee,
Sure, you could definitely freeze these, I would thaw and bake as instructed:) I hope you love the recipe, please let me know if you give it a try! xTieghan
All good! My boys loved helping me make these. Used butterscotch instead of white chocolate and they turned out amazing! Thanks for sharing ?
Hey Allie,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Hi Tieghan! I’m trying these out now!! Are you able to freeze these? I was planning on freezing them to extend their life for a couple of weeks!
Thanks!
We made these today and they are awesome ?. Thanks for the recipe.
Hi Cherrelle,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Hey Lindsay,
Sure, that would work well for you, you could also just freeze the dough. Let me know how they turn out! xTieghan
I’ve had the idea of sending a package with ingredients, aprons, etc. to my nieces and nephew, then having a Zoom baking date with them for Christmas. I’ve been searching for the perfect recipe for it and this is the winner! The dough comes together super fast and the cookies are DELICIOUS!! I put the extra m&m’s on top of the dough before putting them in the oven (instead of taking them out and putting them in before rotating the pan) and it worked like a charm. Highly recommend this recipe!!
Hi Barbara,
Wonderful! Love to hear that this recipe was a hit, thanks for making it! Have the best week:) xTieghan
Do you have to use white choc chips as well? If not, can I just add in 1/2 c of additional chocolate chunks?
Hey Carrie,
That will work just fine for you! I hope you love this recipe, please let me know if you give it a try! xTieghan