Name: Holiday Monster Cookies Recipe
Prep time: 10 min
Cook time: 12 min
Total time: 22 min
Cuisine: American
Ingredients: 2 sticks (1 cup) salted butter at room temperature; 1 cup dark brown sugar; 1/2 cup granulated sugar; 2 large eggs; 1 large 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

I have to tell you about one of my absolute favorite festive treats that always brings a smile: my Holiday Monster Cookies Recipe. These colorful, chewy, and crunchy cookies are bursting with joyful holiday flavors like oats, vibrant M&M's, pretzels, and a divine mix of chocolates. I love how they come together quickly with straightforward ingredients, and the end result is this perfect hearty cookie that feels like a celebration in every bite. Whether I’m baking for a crowd or just craving a sweet pick-me-up, these cookies never disappoint.

Why You'll Love This Holiday Monster Cookies Recipe

What makes this Holiday Monster Cookies Recipe stand out to me is the incredible flavor profile. I adore the balance of sweet, salty, and chocolatey goodness all rolled into one cookie. The oats add a lovely chewiness and heartiness, while the crushed pretzels sneak in a subtle saltiness and crunch that I find utterly addictive. And those holiday M&M's? They add bursts of color and a touch of candy-coated sweetness that instantly puts me in the festive spirit.

From a preparation standpoint, this recipe is incredibly approachable. I love how the dough comes together quickly with simple mixing—no fancy equipment or complicated steps. It feels like a bit of a baking craft, rolling out those hefty dough balls and arranging them just right. The baking technique, especially the staggered baking and last-minute addition of remaining M&M's on top, gives the cookies the perfect texture: crispy edges and soft, chewy centers. Honestly, it’s a method I’ve come back to again and again.

This recipe is a fantastic go-to for parties, holiday gatherings, or even a cozy family night in. I especially treasure pulling these cookies out during the holidays, where they double as a fun dessert and a colorful treat that brightens up the cookie platter. It’s those special occasions when having a dependable, crowd-pleasing cookie recipe like this one becomes a true blessing.

Ingredients You'll Need

A glass bowl sitting on a white marbled surface holds a mix of ingredients layered closely together. The bottom layer is a light beige dough with a rough texture. On top of the dough are layers of shiny red and green candy-coated chocolate pieces, dark brown chunks of chocolate squares, smooth white candy chips, and a few light brown pretzel sticks scattered across. The colors are bright and festive, showing red, green, white, and dark brown all mixed in one bowl. Photo taken with an iphone --ar 4:5 --v 7

The beauty of this Holiday Monster Cookies Recipe lies in its simple, essential ingredients. Each component plays an important role—from the richness of butter to the hearty oats, and the festive punch from the holiday-themed M&M's. Combining sweet, salty, and chocolate flavors, these ingredients ensure every bite is filled with variety and joy.

TIP : You'll find the full list of ingredients and measurements in the recipe card below

Salted butter: Using room temperature butter ensures a creamy, easy-to-beat base that helps the cookies stay soft and chewy.
Dark brown sugar: This adds moistness and a rich, caramel-like flavor that deepens the cookie’s sweetness.
Granulated sugar: Balances the brown sugar with a subtle sweetness and contributes to crisp edges.

Eggs and egg yolk: Provide structure and moisture so these cookies have great texture and hold their shape.
Vanilla extract: Enhances all the sweet flavors with a classic warm aroma.
All-purpose flour: The sturdy base that holds everything together.
Baking soda and baking powder: Help the cookies rise beautifully while keeping them tender inside.

Kosher salt: Just a pinch to highlight the sweetness and balance the overall flavor.
Old fashioned oats: Add chewiness and heartiness that make these cookies feel extra satisfying.
Holiday M&M's: These festive candies add colorful pops and a delicious crunchy sweetness.

Mini pretzel sticks: Crushed for a salty crunch that cuts perfectly through the richness.
Semi-sweet chocolate chips or chunks: Melty chocolate pockets that add indulgent bursts of flavor.
White chocolate chips: For that creamy, sweet contrast and lovely visual interest.

Directions

Step 1: Preheat your oven to 350°F. Line a baking sheet with parchment paper to make cleanup a breeze and help your cookies bake evenly.

Step 2: In a large mixing bowl, beat together the room temperature butter, dark brown sugar, granulated sugar, and vanilla extract until the mixture is smooth and creamy. This is where your cookies start building their delicious base flavor.

Step 3: Add the eggs and the extra egg yolk one at a time, beating well after each addition. This will bring moisture and richness to your cookie dough that is absolutely key for softness.

Step 4: In a separate bowl, whisk together the all-purpose flour, baking soda, baking powder, and kosher salt. Gradually add this dry mixture to your wet ingredients, mixing just until combined—no overmixing here!

Step 5: Stir in the old fashioned oats until evenly distributed. Then fold in 1 cup of the holiday M&M's, crushed mini pretzels, semi-sweet chocolate chips, and white chocolate chips. The dough will be thick and chunky, packed full of festive goodies.

Step 6: Using a ¼ cup measuring cup or a large cookie scoop, roll the dough into balls and place them 3 inches apart on your prepared baking sheet. These generously sized cookies need plenty of room to spread.

Step 7: Bake for 8 minutes, then carefully rotate the pan to ensure even baking and bake for another 2 minutes. Remove the pan briefly from the oven and gently press the remaining M&M's on top of each cookie for a colorful finish.

Step 8: Return the cookies to the oven and bake for an additional 2 to 3 minutes until the edges are golden and the centers look just set. Let them cool on the baking sheet for several minutes; they’ll continue to cook slightly and firm up while you wait.

Step 9: I highly recommend enjoying these warm for that ooey-gooey, melty chocolate experience, but they also store beautifully if you want to save some for later.

Servings and Timing

This recipe yields about 20 generously sized cookies — perfect for sharing or keeping as your own holiday stash! Prep time is roughly 10 to 15 minutes, with about 10 to 13 minutes of total baking time. Add resting on the baking sheet for 5 to 10 minutes, and you’re looking at around a 30-minute total process from start to finish. It’s wonderfully quick considering how impressive these monster cookies turn out.

How to Serve This Holiday Monster Cookies Recipe

A close-up of a pile of round cookies on a white tray lined with white parchment paper. The cookies have two layers: a golden-brown baked dough with a rough texture, and bright red and green candy pieces embedded throughout the surface. The cookies look soft and slightly toasted around the edges. A rich red velvet ribbon curls softly around the tray, adding a deep color contrast. The background shows a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Serving these Holiday Monster Cookies is such a joy. I love arranging them on a festive platter surrounded by holiday decorations for an inviting presentation. You can garnish the platter with some fresh holly leaves or a sprinkle of powdered sugar for a snowy effect that grabs attention at any gathering.

These cookies go amazingly well with a tall glass of cold milk—that classic combo never fails. If you want to get fancy, I also enjoy pairing them with a warm mug of spiced hot chocolate or a peppermint mocha during cozy winter evenings. For adult gatherings, a rich dessert wine or a festive cocktail like an eggnog martini creates a delightful contrast to the cookie’s texture.

Warm or room temperature are ideal for serving these cookies. I usually advise keeping each cookie portion moderate since they’re quite hearty, perfect for dessert after a holiday meal, or as a sweet snack alongside coffee or tea. Honestly, they're so satisfying on their own they rarely need anything extra, but a scoop of vanilla ice cream on the side is a dreamy upgrade for special occasions.

Variations

I love how versatile this Holiday Monster Cookies Recipe is. If you want a different twist, you can swap out the holiday M&M's for peanut butter chips, butterscotch chips, or even dried cherries to shift the flavor profile. Adding chopped nuts like walnuts or pecans also gives a fantastic crunch and nuttiness that’s delightful.

For dietary modifications, I’ve had success using gluten-free flour blends to make this recipe gluten-free without losing that classic cookie texture. Vegan adaptations are also possible by substituting vegan butter and using flax eggs or commercial egg replacers; keep in mind the texture might be slightly different but still delicious.

If you prefer a different cooking method, I’ve sometimes baked mini versions (smaller scoops) for shorter baking times, which work great for lunchboxes or gifting. Alternatively, cooking the dough as bar cookies pressed into a pan can give you a chewy holiday cookie slab perfect for slicing and sharing.

Storage and Reheating

Storing Leftovers

I recommend storing leftover Holiday Monster Cookies in an airtight container at room temperature. They stay fresh for up to 4 days this way, keeping their chewy texture and chocolatey goodness intact. I like to layer parchment paper between cookies to prevent sticking and preserve their appearance and shape.

Freezing

I freeze these cookies regularly! Either freeze the dough balls on a sheet tray first, then transfer to a freezer-safe container, or freeze baked cookies in an airtight container with parchment between layers. Properly frozen, cookies keep well for up to 3 months. When you want a treat, just thaw them at room temperature or reheat gently in the oven.

Reheating

The best way to reheat is to pop the cookies in a 300°F oven for about 5 minutes; this lightly warms them up and revives that just-baked softness without drying them out. Avoid microwaving as it can make the cookies chewy or tough once cooled. If frozen, let them thaw fully before reheating to maintain the best texture.

FAQs

Can I use regular M&M's instead of holiday M&M's?

Absolutely! Regular M&M’s will work perfectly and deliver the same candy sweetness and texture. The holiday ones are just great for festive colors, but taste-wise they’re interchangeable.

Is it possible to make these cookies gluten-free?

Yes, you can substitute the all-purpose flour with a 1:1 gluten-free baking flour blend, preferably one that contains xanthan gum for structure. The texture might be slightly less chewy but still delicious and satisfying.

Why do I add the remaining M&M's on top partway through baking?

This step keeps the M&M's looking vibrant and fresh on the surface rather than dull or melted entirely into the dough. It also adds a perfect pop of color and extra candy crunch on top of each cookie.

Can I refrigerate the dough before baking?

You can refrigerate the dough overnight, which actually helps deepen the flavors. Be sure to allow dough balls to warm up a bit before baking for even cooking.

How do I ensure the cookies are chewy and not cakey?

Use old fashioned oats and avoid overmixing the dough. The combination of both baking soda and baking powder, plus a bit more brown sugar than white sugar, keeps the texture chewy with just crisp edges.

Conclusion

If you’re looking for a festive, hearty cookie that delivers big on flavor and texture, I cannot recommend this Holiday Monster Cookies Recipe enough. It’s my tried-and-true family favorite that never fails to impress crowds and bring a little magic to the holidays. I hope you enjoy baking and sharing these joyful treats as much as I do!