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Whiskfully Blessed

Recipes. Dessert. Smiles.

Christmas Monster Cookies

December 5, 2025

These Christmas Monster Cookies are soft, chewy and packed full of peanut butter, oats and rich chocolate. The texture of these cookies are perfect and the Christmas M&Ms add the best crunch. They have the best of everything and are the perfect festive Christmas recipe for any holiday gathering.

If you are a fan of peanut butter then these cookies are for you. The peanut butter adds the perfect soft texture, while to oats make them super chewy. The rich melted chocolate adds so much flavor and the Christmas M&Ms make these cookies have the most perfect crunch. I add a sprinkle of flaky sea salt which tops them off perfectly.

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christmas monster cookies
Christmas Monster Cookies

My 12 days of Christmas Cookie series is such a highlight of my year. I am so grateful you are here and trying out my recipe. Here are a few others from the series that I hope you enjoy and love as much as I do!!

  • Peanut Butter Chocolate Marbled Cookies
  • White Chocolate Coconut Macadamia Nut Cookies
  • Peppermint Hot Cocoa Cookies
  • Funfetti Sprinkle Sugar Cookies
  • Chocolate Covered Pretzel Cookies
  • Cinnamon Roll Cookies
  • Gingerbread Cheesecake Stuffed Cookies

I like doing all different kinds of Christmas Cookie flavors from classics like chocolate chip and peanut butter to nostalgic Christmas flavors like ginger bread and peppermint to unique and fun cookies like Hot Cocoa, Muddy Buddies, and Coconut Dark Chocolate Almond. That way there is something for everyone to enjoy!!

christmas cookie recipes
soft and chewy peanut butter cookies

What Should I Make These For?

This is the PERFECT cookie recipe for the holiday season. The flavors are festive and are sure to please a crowd. You could make these cookies for Christmas, or anytime throughout the season. They would be a wonderful recipe for a holiday family get together or to make for Santa on Christmas Eve.

Making them with your kids, best friend or lover would be such a fun festive holiday activity!! OR you could even make them for your neighbors, a cookie exchange, essential workers in your community, your church family or school teachers. Cookies always make such a kind and thoughtful gift. They’re also personal and affordable. The holidays are the best time to give homemade gift and spread the spirit of Christmas.

christmas monster cookies
Peanut Butter Oatmeal Chocolate Chip M&M Cookies

Christmas is such a special time of year. It’s brings up the beautiful opportunity of being intentional about giving and cooking and spending time with those you love most. Baking cookies is such a fun way to connect, take a step back and enjoy.

In the midst of all the fun events and delicious baked goods, it’s so important to take time to reflect on the true reason for the season: It’s Jesus, coming down to earth as a baby, fully God and fully human to take up our sins and save the world from death. That anyone who calls on His name, will be saved. We have life because of Him. That’s the true reason for the season.

soft and chewy monster cookies
christmas cookies

Peanut butter lovers, if you’re anything like me and love peanut butter cookies, down below is a list of cookie recipes that are peanut butter based or have peanut butter in them:

  • Peanut Butter Cup Cookies
  • Peanut Butter Chocolate Marbled Cookies
  • Peanut Butter Blossoms
  • Peanut Butter Oreo Cookies
  • Ultimate Peanut Butter Reese’s Cup Stuffed Cookies

To get my cookies to be super round and all the same shape, I like using a round glass, a biscuit cutter or cookie cutter to the lid of a mason jar!! It’s definitely not required but just a fun little tip, I like to use. I’ll share a link HERE to some on amazon if you’d like to try out this simple yet effective baking hack. (affiliate code)

christmas monster cookies

I love creating a list of all the ingredients you will need to make my recipe on the post, before the recipe. That way you can clearly see everything you’ll need and what you may need to go grab at the store to make them.

What You’ll Need:

  • butter
  • peanut butter
  • brown sugar
  • sugar
  • eggs
  • vanilla extract
  • oats
  • all purpose flour
  • baking soda
  • baking powder
  • salt
  • chocolate chips
  • Christmas M&Ms (regular &/or minis)
  • flaky sea salt (optional)
  • parchment paper

All the ingredients are very simple and easy to find at your local grocery store OR already in your kitchen ready to go. They are simple ingredients but together make such a delicious fun recipe and I’m so excited for you to try them out.

christmas monster cookies
Christmas Peanut Butter Cookies

Let’s Get Started!!

Cassidy Morris

Christmas Monster Cookies

These Christmas Monster Cookies are soft, chewy and packed full of peanut butter, oats and rich chocolate. The texture of these cookies are perfect and the Christmas M&Ms add the best crunch. They have the best of everything and are the perfect festive Christmas recipe for any holiday gathering.
Print Recipe Pin Recipe
Prep Time 30 minutes mins
Cook Time 30 minutes mins
Total Time 1 hour hr
Servings: 30 cookies
Course: Dessert
Cuisine: American
Ingredients Method

Ingredients
  

  • 1/2 cup butter softened, unsalted, 1 stick
  • 3/4 cup peanut butter
  • 1 cup brown sugar
  • 1/2 cup sugar
  • 2 eggs
  • 2 tsp vanilla extract
  • 3/4 cup oats
  • 2 cup flour all purpose spooned and leveled
  • 1 tsp baking soda
  • 1 tsp baking powder
  • 3/4 tsp tsp salt
  • 1 cup chocolate chips
  • 1 cup Christmas M&Ms
  • flaky sea salt optional

Method
 

  1. Preheat your oven to 350° F and line your baking sheets with parchment paper.
  2. In a large bowl, add your softened butter, peanut butter, brown sugar and sugar. Stir until well combined.
  3. Add your eggs and vanilla extract. Stir together until light and fluffy in texture.
  4. Then, add all of your dry ingredients, including your flour, baking soda, oats and salt. Stir until just combined.
  5. Add your chocolate chips, and m&ms reserving some for the tops of the cookies. Stir until just combined.
  6. Scoop out your cookie dough into 1-2 inch balls and place on your baking sheets lined with parchment paper a few inches apart. (to prevent them from spreading into each other)
  7. Top with additional chocolate chips and M&ms.
  8. Bake at 350℉ for 8-10 minutes. Remove from oven and using a round cookie cutter, scoot around the cookies to make them round and all the same size.
  9. Top with flaky sea salt. (optional)
  10. Let cool, share and enjoy!!

Did you enjoy this recipe? If so, I would So APPRECIATE if you write a review so others can try it out too! Don’t forget to smile because you are so loved! <3

I hope that you enjoy this recipe with your loved ones and that it brings people together. This recipe was meant to be enjoyed!!

If you make it, I would love to see! Please tag me on my socials: my instagram and TikTok handle is @whiskfullyblessed. I can’t wait to see how you like it and I’m so excited to reshare your cute photos and videos!!

Whiskfully blessed food blogger
Sweetly, Cassidy 🙂

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sweetly,

Cassidy

From easy step by step recipes, to those classic nostalgic bites, Cassidy loves to bring smiles through her recipes.

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