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Home » Recipes » Christmas Recipes

Christmas Monster Cookies

Published: Sep 29, 2023 · Modified: Sep 23, 2024 by Audrey · This post may contain affiliate links

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Text that says Christmas Monster Cookies above and below the text are images of monster cookies with red and green candies in them.

These Christmas Monster Cookies are loaded with tons of yummy oats, peanut butter, M&Ms and more! They are the perfect Christmas treat to make this holiday season.

A Christmas monster cookie (a monster cookie with red and green M&Ms) on a white background.

These Christmas monster cookies are so quick and easy to make. They’re perfect paired with Christmas Crinkle Cookies, Amish Oatmeal Whoopie Pies, or Cowboy Christmas Cookies on a holiday cookie tray.

A pile of Christmas monster cookies (monster cookies with red and green M&Ms) on a white background. There is a green linen on the left corner.

If you need more Christmas recipe inspiration then be sure to also check out these adorable Reindeer Chocolate Covered Strawberries and this Guacamole Christmas Wreath.

Jump to:
  • 💭 Why you’ll love this recipe
  • 🥣 Ingredients needed
  • 🍪 Variations
  • ⏲️ Recipe instructions (step by step guide)
  • 👩🏻‍🍳 Tips
  • 🥡 How to store leftovers
  • 📋 Recipe FAQs
  • Christmas Monster Cookies

💭 Why you’ll love this recipe

I have been testing cookie recipes almost every week lately (I have a ton of Cookie Recipes here). These Christmas monster cookies recipe took a little experimenting to finalize. I know that the holiday season can be incredibly stressful and it’s nice to have an easy go-to cookie recipe that doesn’t need any chill time!

🥣 Ingredients needed

the ingredients needed to make Christmas monster cookies.

For these cookies, you will need:

  • Sugar and brown sugar
  • Butter: I recommend using unsalted butter when making cookies. This will allow you to control the amount of salt going into the dough (salt content varies brand to brand) and salted butter has more water content than unsalted butter which will effect your results.
  • Vanilla extract: If possible, I recommend using pure vanilla extract for baking.
  • Eggs
  • Peanut butter: I recommend using a smooth or creamy peanut butter (not crunchy). I do not recommend using a natural style peanut butter as the consistency is very difficult to mix into the dough.
  • Baking soda
  • Salt
  • Quick oats
  • Flour
  • Green and red M&Ms
  • Chocolate chips

🍪 Variations

  • Try adding white chocolate chips, pecans, walnuts, or raisins to these. They are very versatile.

⏲️ Recipe instructions (step by step guide)

A step by step guide on how to make christmas monster cookies.

Begin by preheating your oven to 350 degrees. Line a baking sheet with parchment paper (not wax paper) or grease it well.

In a large mixing bowl, cream together the sugar, brown sugar, vanilla extract, and softened butter.

Next, mix in the remaining ingredients except for the chocolate chips and M&Ms. Mix until well combined (do not over-mix).

Stir in the chocolate chips and M&Ms.

Form rounded dough balls (about 3 tablespoons) and bake for 13 to 15 minutes. Be sure to leave room for the cookies to spread some. Let them rest for 10 minutes before transferring to a cooling rack.

👩🏻‍🍳 Tips

  • You may want to adjust based on how salty your peanut butter is (peanut butter usually has a bit of sodium).
  • I recommend using smooth or creamy peanut butter and not a chunky peanut butter for the best results.
  • Soften your butter to room temperature. Do not melt the butter or use cold butter.

🥡 How to store leftovers

Store any leftover cookies in an airtight container at room temperature. The cookies will be good for up to four days after baking.

📋 Recipe FAQs

Why are they called monster cookies?

Monster cookies got their name from the big mix of ingredients needed to make them. It is a mash up of so many different cookies (peanut butter, oatmeal, M&Ms, chocolate chip, etc).

Why are my monster cookies flat?

You may have flat cookies due to several reasons. The most common mistakes are that your butter is too warm, you over-mixed the dough, or you didn’t add enough flour or oats.

What is the cookie monster flavor?

Cookie monster flavor is the combination of peanut butter, M&Ms, chocolate chips, and wholesome oats.

Can I freeze this cookie dough?

To freeze, form cookie dough balls and add to a freezer safe storage container. When ready to bake, you can bake from frozen and add 2-3 minutes to your bake time.

Other great cookie recipes:

  • A chocolate chip cookie on a white background with a bite taken out of it.
    Chocolate Chip Cookies with Honey
  • Amish Christmas cookies with green or red frosting and sprinkles on a white backbground. There is a knife with frosting on it in the background.
    Amish Christmas Cookies
  • Amish monster cookies stacked up
    Amish Monster Cookies
  • Cake Mix Monster Cookies
    Cake Mix Monster Cookies
  • close up of a Christmas Cowboy Cookie
    Christmas Cowboy Cookies
  • Sourdough Chocolate Chip Cookies lined up
    Sourdough Chocolate Chip Cookies
  • Copycat Subway Chocolate Chip Cookies
    Copycat Subway Chocolate Chip Cookies
  • Chocolate Peppermint Christmas Crinkle Cookies
    Chocolate Peppermint Christmas Crinkle Cookies

If you tried these Monster Christmas Cookies or any other recipe on my site, please leave a ⭐ rating and let me know how it goes in the 📝 comments below. I would love to hear from you!

A Christmas monster cookie (a monster cookie with red and green M&Ms) on a white background.

Christmas Monster Cookies

Audrey
These Christmas Monster Cookies are loaded with tons of yummy oats, peanut butter, M&Ms and more! They are the perfect Christmas treat to make this holiday season.
5 from 35 votes
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Prep Time 10 minutes mins
Cook Time 12 minutes mins
Total Time 22 minutes mins
Course Dessert
Cuisine American
Servings 24 cookies
Calories 358 kcal

Equipment

  • Large mixing bowl
  • Baking sheet
  • Parchment paper

Ingredients
  

  • 1 cup sugar
  • 1 cup brown sugar dark or light
  • ½ cup unsalted butter softened to room temperature
  • 1 teaspoon vanilla extract
  • 3 large eggs
  • 1 ½ cups creamy peanut butter *
  • ¼ teaspoon salt **
  • 2 teaspoons baking soda
  • ¼ cup all purpose flour
  • 4 ½ cups quick oats
  • 1 cup chocolate chips
  • 1 ¼ cup red and green candies such as M&Ms

Instructions
 

  • Begin by preheating your oven to 350 degrees. Line a baking sheet with parchment paper (not wax paper) or grease it well.
  • In a large mixing bowl, cream together the sugar, brown sugar, vanilla extract, and softened butter.
    1 cup sugar, 1 cup brown sugar, ½ cup unsalted butter, 1 teaspoon vanilla extract
  • Next, mix in the remaining ingredients except for the chocolate chips and M&Ms. Mix until well combined (do not over-mix).
    3 large eggs, 1 ½ cups creamy peanut butter, ¼ teaspoon salt, 2 teaspoons baking soda, ¼ cup all purpose flour, 4 ½ cups quick oats
  • Stir in the chocolate chips and M&Ms.
    1 cup chocolate chips, 1 ¼ cup red and green candies
  • Form rounded dough balls (about 3 tablespoons) and bake for 13 to 15 minutes. Be sure to leave room for the cookies to spread some. Let them rest for 10 minutes before transferring to a cooling rack. They will finish baking on the sheet.

Notes

Any nutritional information is an estimate by online calculators. Please verify using your own data.
Store any leftover cookies in an airtight container at room temperature. The cookies will be good for up to four days after baking.
*I recommend a regular creamy or smooth peanut butter, not a natural peanut butter (the consistency makes it hard to mix in).
**You may want to increase or reduce the salt depending on the sodium content of your brand of peanut butter.

Nutrition

Serving: 1 cookieCalories: 358kcalCarbohydrates: 45gProtein: 7gFat: 18gSaturated Fat: 7gPolyunsaturated Fat: 3gMonounsaturated Fat: 6gTrans Fat: 0.2gCholesterol: 32mgSodium: 203mgPotassium: 190mgFiber: 3gSugar: 30gVitamin A: 172IUVitamin C: 0.1mgCalcium: 45mgIron: 1mg
Need more recipes? Follow me on Pinterest @twopinkpeonies
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More Christmas recipe ideas:

  • Christmas Almonds on white parchment paper with a red linen to the side.
    Christmas Almonds
  • reindeer chocolate covered strawberries on a white plate with a red linen
    Reindeer Chocolate Covered Strawberries
  • Snickerdoodles on a white background.
    Amish Snickerdoodles
  • An oatmeal cookie made to look like reindeer with candy eyes and pretzels on a white background.
    Christmas Oatmeal Cookies
« Sourdough Discard Zucchini Muffins
Agnello Brasato (Braised Lamb) »

Comments

  1. Conchetta says

    October 01, 2023 at 7:30 pm

    5 stars
    Wow these cookies have all our favorite ingredients- so good. My kids and I loved them.

    Reply
  2. Mandy says

    October 01, 2023 at 9:25 am

    5 stars
    These cookies sound so delicious. I am going to add them to my Christmas cookie tins this year. I love the fact that they don’t require any chilling so I can make them and bake them right away.

    Reply
5 from 35 votes (33 ratings without comment)

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Audrey in a red dress holding her young son

Hi, I'm Audrey!

I’m a busy mom who loves to cook, bake, and craft with her kids. Here, you will find tons of recipes like easy weeknight dinners, copycat recipes, cookies, as well as lots of fun craft ideas for kids.

My website has been featured on MSN, Yahoo, Parade, Food Gawker, Love What Matters, Yummly, and more! Read more →

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