Christmas Monster Cookies are festive delights that combine the rich flavors of peanut butter, oats, and colorful M&Ms, making them a perfect treat for the holiday season. These cookies are not just delicious; they bring a cheerful spirit to any gathering. With their vibrant colors and soft, chewy texture, they are an ideal choice for family celebrations and Christmas parties. With simple ingredients and easy steps, these festive treats are sure to become a holiday favorite!
Why You’ll Love This Christmas Monster Cookies
There are countless reasons to adore these Holiday Monster Cookies. First, they are quick to whip up, taking only about 25 minutes from start to finish. Second, the combination of peanut butter and chocolate provides a rich flavor that everyone loves. Third, their colorful appearance makes them a hit at any festive gathering. Additionally, these cookies are customizable—add your favorite holiday candies for a personal touch. They also make great gifts when packaged in decorative bags. Lastly, they are perfect for baking with kids, making it a fun family activity during the holidays.

Ingredients for Christmas Monster Cookies
Gather these items:
- 4 tablespoons unsalted butter (softened)
- 1/4 cup peanut butter
- 1/2 cup brown sugar
- 1 large egg
- 3/4 teaspoon vanilla
- 1/2 cup flour
- 1/4 cup rolled oats
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/4 cup chocolate chips
- 1/4 cup Christmas colored red and green M&M candies
- 3 tablespoons Christmas sprinkles (optional)
How to Make Christmas Monster Cookies Step-by-Step
- Step 1: Preheat the oven to 350, and line a large cookie sheet with a piece of parchment paper or silicone mat.
- Step 2: In a medium bowl, beat together the softened butter and peanut butter with an electric mixer on high.
- Step 3: Next, add sugar and beat very well.
- Step 4: Then, add the egg and vanilla; beat again.
- Step 5: In a small bowl, stir together all remaining ingredients. Add this to the butter mixture and stir well, but do not over-mix.
- Step 6: Drop by large 2-tablespoon sized balls onto the prepared cookie sheet. Sprinkle some Christmas sprinkles over each cookie. You can also press extra candy and chocolate chips on top before baking to make the cookies super pretty.
- Step 7: Bake for 10 minutes, and then let cool for 5 minutes on the sheet before moving to a cooling rack.
Pro Tips for the Best Christmas Monster Cookies
Keep these in mind:
- Ensure your butter is softened for easy mixing.
- Do not over-mix the dough; this keeps the cookies soft and chewy.
- For an extra festive touch, use a mix of holiday-themed M&Ms.
- These cookies are best enjoyed fresh but can also be stored for later. Baked cookies can be frozen for up to 3 months, making them perfect for meal prep.

Best Ways to Serve Christmas Monster Cookies
There are several delightful ways to serve these Festive Monster Cookies. Pair them with a glass of cold milk or hot chocolate for a cozy treat after a day of holiday shopping. For parties, arrange them on a decorative platter with other holiday cookies as part of a dessert table. You can also package them in cute bags as gifts for friends and family, making them a thoughtful homemade present.
How to Store and Reheat Christmas Monster Cookies
To keep your Christmas Monster Cookies fresh, store them in an airtight container at room temperature for up to a week. If you want to enjoy them later, you can freeze the cookies. Simply place them in a freezer-safe container or bag, separating layers with parchment paper. When you’re ready to eat them, allow them to thaw at room temperature or warm them in the microwave for a few seconds.
Frequently Asked Questions About Christmas Monster Cookies
What’s the secret to perfect Christmas Monster Cookies?
The secret lies in not over-mixing the dough and ensuring your butter is at the right temperature. This guarantees soft and chewy Holiday Monster Cookies that are perfectly baked.
Can I make Christmas Monster Cookies ahead of time?
Absolutely! You can prepare the dough and refrigerate it for up to 3 days before baking. This makes it convenient to have freshly baked cookies ready for your holiday gatherings.
How do I avoid common mistakes with Christmas Monster Cookies?
Be careful not to pack the flour when measuring, as this can lead to dry cookies. Also, keep an eye on the baking time; overbaking can dry them out. Use a timer to ensure perfect results every time!
Variations of Christmas Monster Cookies You Can Try
Get creative with these Christmas-themed Monster Cookies by trying different mix-ins. Consider adding chopped nuts for added crunch or swapping out the M&Ms for dried fruit. You can also experiment with different flavored extracts, such as almond or peppermint, for unique twists. Another fun idea is to use festive cookie cutters for shaping the cookies before baking.
For more festive cookie ideas, check out Gingerbread Cheesecake Cookies or Biscoff Stuffed Cookies. If you’re looking for a delicious way to use up leftover cookies, try Decadent Chocolate Bread as a creative twist!
Print
Christmas Monster Cookies: 7 Fun Ways to Celebrate
- Total Time: 25 minutes
- Yield: 12 cookies 1x
- Diet: Vegetarian
Description
Festive cookies with peanut butter, M&Ms, oats, and sprinkles.
Ingredients
- 4 tablespoons unsalted butter (softened)
- 1/4 cup peanut butter
- 1/2 cup brown sugar
- 1 large egg
- 3/4 teaspoon vanilla
- 1/2 cup flour
- 1/4 cup rolled oats
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1/4 cup chocolate chips
- 1/4 cup Christmas colored red and green M&M candies
- 3 tablespoons Christmas sprinkles (optional)
Instructions
- Preheat the oven to 350, and line a large cookie sheet with a piece of parchment paper or silicone mat.
- In a medium bowl, beat together the softened butter and peanut butter with an electric mixer on high.
- Next, add sugar and beat very well.
- Then, add the egg and vanilla; beat again.
- In a small bowl, stir together all remaining ingredients. Add this to the butter mixture and stir well, but do not over-mix.
- Drop by large 2-tablespoon sized balls onto the prepared cookie sheet. Sprinkle some Christmas sprinkles over each cookie. You can also press extra candy and chocolate chips on top before baking to make the cookies super pretty.
- Bake for 10 minutes, and then let cool for 5 minutes on the sheet before moving to a cooling rack.
Notes
- Prep Time: 15 minutes
- Cook Time: 10 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 cookie
- Calories: 183
- Sugar: 10 g
- Sodium: 100 mg
- Fat: 9 g
- Saturated Fat: 3 g
- Unsaturated Fat: 6 g
- Trans Fat: 0 g
- Carbohydrates: 23 g
- Fiber: 1 g
- Protein: 3 g
- Cholesterol: 20 mg
