Name: Halloween Oreo M&M’s Cookies Recipe
Prep time: 5 min
Cook time: 11 min
Total time: 20 min
Cuisine: American
Ingredients: 1/2 cup butter Slightly softened; 1/2 cup brown sugar; 1/4 cup granulated sugar; 1 egg; 2 tsp vanilla extract; 1 & 1/3 cup flour; 1 tbsp corn starch; 1/2 tsp baking soda; 1/2 tsp salt; 2/3 cup Halloween M&M’s; 7 Halloween Oreo cookies roughly chopped, regular stuffed (NOT DOUBLE STUFFED), chilled

Jump to Recipe· 4.7 from 73 reviews

If you’re ready to delight your Halloween guests with something wildly fun and super tasty, you’ve got to try this Halloween Oreo M&M’s Cookies Recipe. These cookies are the perfect balance of chewy, chocolatey, and packed with festive candy love – trust me, they taste as awesome as they look (if not better). I remember the first time I made these for a Halloween party; they disappeared so fast, everyone kept asking for the recipe. Stick with me, and you’ll nail these spooktacular treats easily!

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Why This Recipe Works

Perfect Texture Balance: The combo of softened butter, brown sugar, and cornstarch creates wonderfully chewy cookies without feeling dense.
Flavor Explosion: Adding Halloween-themed Oreos and M&M’s means you get bursts of chocolate and crunch in every bite.
Easy to Make: No complicated techniques here, just straightforward mixing that anyone can do, even if you’re new to baking.
Visually Fun: The festive colors and cookie chunks make these cookies a crowd favorite at parties and trick-or-treat gatherings.

Halloween Oreo M&M’s Cookies, Halloween cookies with Oreos and M&Ms, festive Halloween chocolate cookies, easy Halloween cookie recipes, kid-friendly Halloween treats - A single round cookie with a light beige base, mixed with small black cookie crumbs throughout. The cookie is topped with colorful candy pieces in bright orange, green, and purple, some embedded and some resting on top. There are visible chunks of dark chocolate cookie pieces with orange filling, scattered on the surface of the cookie. The background is a white marbled texture with more cookies and some orange candy pieces slightly blurred in the back. Photo taken with an iphone --ar 2:3 --v 7

Ingredients & Why They Work

Each ingredient in this Halloween Oreo M&M’s Cookies Recipe plays an important role, so don’t skip out! I always suggest using quality ingredients, especially the Oreos and M&M’s, because they really shine when chilled and baked just right.

Butter: Slightly softened butter gives that ideal creamy base to the dough, helping with chewiness and flavor.
Brown sugar: Adds moisture and a subtle caramel note, making your cookies super soft and tender.
Granulated sugar: Balances sweetness and helps achieve a nice cookie spread in the oven.
Egg: Binds everything together and provides structure to the dough.
Vanilla extract: Classic flavor booster that warms up each bite with richness.
Flour: The dry base that holds the cookie together; I love using all-purpose flour for the right chew.
Corn starch: This little addition might be unexpected, but it’s the secret to softness—it keeps your cookies tender, even a day later.
Baking soda: Helps the cookies rise just enough without puffing up too much.
Salt: Enhances all the sweet flavors and balances the sweetness beautifully.
Halloween M&M’s: The colorful, candy crunch gives the cookies a festive vibe and that burst of chocolate goodness.
Halloween Oreos: Chopped into chunks, these add layers of chocolate creaminess and the ultimate Oreo cookie texture contrast.

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Note: You’ll find the complete list of ingredients, along with their exact measurements, in the printable recipe card at the bottom of this post.

Tweak to Your Taste

I like to personalize the Halloween Oreo M&M’s Cookies Recipe depending on who I’m baking for. Sometimes I add a pinch of cinnamon for a slight warmth or swap out Halloween M&M’s for peanut butter M&M’s to surprise my kids. Don’t be afraid to experiment–that’s how you find your favorite spin!

Variation: Once, I swapped half the Oreo chunks for mini peanut butter chips, and the nutty mix was a total hit with my family.
Allergy-Friendly: You can easily use dairy-free butter and egg substitutes to make these cookies vegan and allergy-sensitive.
Seasonal Twist: Swap out Halloween M&M’s and Oreos for Christmas-themed candies during the winter holidays and enjoy all year round.

Step-by-Step: How I Make Halloween Oreo M&M’s Cookies Recipe

Step 1: Prep Your Baking Space

First things first, preheat your oven to 350°F and line a baking sheet with parchment paper or a Silpat mat. This helps your cookies bake evenly and prevents sticking – trust me, it saves you from a messy cleanup later.

Step 2: Cream Butter and Sugars

In a medium bowl, using a spatula or mixer, cream together the slightly softened butter with brown sugar and granulated sugar. I usually use my spatula because it gives me better control, but a hand mixer works well too. You want a fluffy, smooth mixture without any lumps.

Step 3: Add Egg and Vanilla

Mix in the egg and vanilla extract until everything is smoothly incorporated. This step makes the dough creamy and ensures your cookies will hold together perfectly.

Step 4: Incorporate Dry Ingredients Gently

Now add the flour, cornstarch, baking soda, and salt to your wet mixture. Stir gently until just combined. The key here? Don’t overmix! Overworking the dough can make your cookies tough – a few streaks of flour are fine.

Step 5: Fold in the Fun Stuff

Time for the stars of the show! Fold in the Halloween M&M’s and roughly chopped Halloween Oreos. You want those big chunks visible in the dough, so take care not to smash them too much.

Step 6: Scoop and Bake

Using a large cookie scoop (roughly ¼ cup), portion out 10 equal mounds of dough onto your prepared sheet. If you want, sprinkle extra M&M’s or chopped Oreos on top for that gorgeous decorated look. Bake for 10-11 minutes. Remember these cookies might look a bit underdone in the center – that’s exactly what you want for that soft, chewy cookie. Let them rest on the cookie sheet for 10 minutes before transferring to a cooling rack.

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Pro Tips for Making Halloween Oreo M&M’s Cookies Recipe

Keep Oreos Chilled: Refrigerate your chopped Oreo chunks before folding them into the dough to prevent them from melting and losing their texture while baking.
Don’t Overbake: The cookies will seem soft and undercooked when you pull them out—that means they’ll be chewy and gooey once cooled, so resist the temptation to bake longer.
Use a Cookie Scoop: A large scoop ensures even-sized cookies that bake uniformly and look super professional.
Shape Quickly: Right after baking, nudge your cookies into a perfect circle with a spatula or cookie cutter for that polished look before they cool and set.

How to Serve Halloween Oreo M&M’s Cookies Recipe

Garnishes

I like to top these cookies with a few extra M&M’s just before baking – it makes them look irresistible and adds a little extra color pop. If you want to get fancy, drizzle some melted white chocolate or put a tiny edible eyeball candy on top for spooky but cute vibes!

Side Dishes

There’s nothing quite like serving these cookies alongside a chilled glass of milk or a mug of hot cocoa. For Halloween parties, I sometimes add a bowl of popcorn sprinkled with salted caramel for a sweet and salty combo that guests always love.

Creative Ways to Present

Try arranging the cookies on a themed platter with Halloween napkins and small bowls of extra candy. I’ve also wrapped a few in cellophane bags tied with orange and black ribbon as little party favors – a hit every time!

Make Ahead and Storage

Storing Leftovers

Store your cookies in an airtight container at room temperature for up to 4 days. They keep their softness best this way – you don’t want them drying out in the fridge.

Freezing

I often freeze the raw cookie dough balls – just scoop and freeze on a tray, then transfer to a freezer bag. When you’re ready, pop them on a baking sheet and bake straight from frozen, adding a couple extra minutes to the bake time.

Reheating

To bring back that fresh-out-of-the-oven vibe, microwave cookies for 10-15 seconds or warm them briefly in a low oven wrapped in foil. They soften up nicely without getting chewy or hard.

FAQs

Can I use double stuffed Oreos instead of regular Oreos for this recipe?

It’s best to stick with regular stuffed Oreos for this Halloween Oreo M&M’s Cookies Recipe. Double stuffed Oreos have more cream filling which can make the cookies too soft or cause them to spread unevenly. If you only have double stuffed, reduce the amount slightly or chop them smaller to keep a good texture balance.
Can I substitute other candies for the Halloween M&M’s?

Absolutely! You can swap Halloween M&M’s for peanut butter M&M’s, regular chocolate M&M’s, or even mini chocolate chips. Just keep the quantity about the same so the cookie dough stays balanced and you still get plenty of candy studded throughout.
How do I prevent the Oreos from getting soggy inside the cookies?

Chilling the chopped Oreo pieces before folding them into the dough and baking them helps preserve their crunch. Also, don’t overbake the cookies—this keeps the texture contrast crisp and chewy rather than mushy.
Can I make these cookies ahead of time for a party?

Definitely! These cookies hold up well when stored properly. You can bake them a day ahead and keep them in an airtight container or freeze them and reheat gently before serving to bring back that fresh-baked softness.

Final Thoughts

This Halloween Oreo M&M’s Cookies Recipe has become one of my go-to festive treats because it’s easy, fun, and just downright delicious. I love watching the colorful candies melt into chocolatey pockets, and how the Oreos add that classic cookie crunch in just the right places. I hope you give this recipe a try and get the same joyful reactions from family and friends that I do. It’s like sharing a little slice of Halloween happiness in every bite – so why wait? Grab your ingredients, and happy baking!