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Whiskfully Blessed

Recipes. Dessert. Smiles.

Halloween Chocolate Chip Cookie Bars

October 12, 2025

Halloween Chocolate Chip Cookie Bars are the perfect fun and easy kid friendly halloween treat. They’re soft, chewy and the best texture. With pools of dark chocolate and festive m&ms and sprinkles, this fun fall cookie bar recipe is such a crowd pleaser. They’re ooey gooey and a simple halloween dessert recipe to make.

Browning the butter, adding TONs of chocolate and M&ms and adding a sprinkle of flaky sea salt over the top is what sends these cookies over the edge and what makes you want to come back for more. They’re so good and flavorful.

Jump to Recipe
halloween chocolate chip cookie bars

These Chocolate Chip Cookie bars are so easy and fun to make. You make a simple chocolate chip cookie dough with brown butter and then of course add some festive sprinkles and m&ms to make them themed.

Then instead of rolling them into cookies, you press them into a baking dish lined with parchment paper making it even easier!! Then you cut these cookies into bars (like you brownies!!) share and enjoy!! These would be so easy to bring along with you to share, because they are in bar form.

dark chocolate cookie bars
kid friendly halloween cookie bars

What should I make these for?

Since these halloween cookie bars are in bar form and easy to transfer and bring along with you, they would honestly be good for any event. You could bring them to a fall party, family get together or even to share at work or school. They would also be perfect to share with friends and neighbors.

You could also make these chocolate chunk cookie bars with your kids for a fun fall activity or a cute date night in with your love or best friends. It’s the perfect weeknight indulgence when you are in need of a sweet treat.

chocolate chip cookie bar recipe

Fall baking is one of my favorite things ever. Just the fact that we have the ability to make our homes smell like Cinnabon is just the best thing ever. Every season has something special about it. For Autumn, the comforting cozy feelings it gives is one quality I appreciate most.

Baking season is literally the best because it just sparks the love of baking in so many people. So, making recipes for anyone to enjoy is such a pleasure. Seeing you guys make and enjoy my recipes is so so special. Who doesn’t love a warm and cozy fall recipe?

chewy and gooey chocolate chip cookie bars
m&m chocolate chip cookie bars

This recipe is pumpkin free, so those of you who are not a fan of pumpkin recipes, this recipe is for you. I love pumpkin and have lots of pumpkin recipes on my blog, but I like sharing other fall flavor recipes as well. Here are a few of my favorite fall recipes that don’t have pumpkin:

  • Peach Crisp
  • Maple Oatmeal Cream Pies
  • Apple Butter Pancakes
  • Brown Sugar Cinnamon Poptarts
  • Chewy Spice Cookies

Like I mentioned before, baking during the fall is one of my favorite things ever and I love making recipes for everyone’s taste buds. I am so thankful that baking season is upon us and that you are here and ready to bake.

If you ARE a fan of pumpkin, click here for all my delicious pumpkin recipes. I can’t let those who are a pumpkin recipe fan, miss out!!

brown butter halloween cookie bars

What is Brown Butter & How Do You Make It?

Basically brown butter is just butter that’s been cooked on the stove. It foams up and the milk solids caramelize giving it it’s delicious deep nutty flavor. It takes a few quick minutes on the stove and the smell is like no other. Let’s just say it’s amazing and it’s a GAME CHANGER when baking. It’s hard to go back once you make it a few times and super simple to make so the extra step is optional but 100% worth it.

You can still make this recipe without using brown butter it just won’t have the nutty flavor but will still be delicious. If you also want the texture to be the same, I would use melted butter because the consistency of brown butter and melted will be the most similar.

Be careful not to walk away as it could burn or overflow when it foams. I have a quick video on how to make brown butter- HERE!! It takes just a few minutes to make but this video is a visual way to see if that helps you out!!

cozy fall recipes
chocolate chunk cookie bars

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
  • sugar
  • light brown sugar
  • vanilla extract
  • egg
  • all purpose flour
  • cornstarch
  • baking soda
  • salt
  • halloween m&ms
  • dark chocolate chips
  • halloween sprinkles
  • flaky sea salt 
  • 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.

brown butter chocolate chip cookie bars

Let’s Get Started!!

Cassidy Morris

Halloween Chocolate Chip Cookie Bars

Halloween Chocolate Chip Cookie Bars are the perfect fun and easy kid friendly halloween treat. They're soft, chewy and the best texture. With pools of dark chocolate and festive m&ms and sprinkles, this fun fall cookie bar recipe is such a crowd pleaser. They're ooey gooey and a simple halloween dessert recipe to make.
Print Recipe Pin Recipe
Prep Time 30 minutes mins
Cook Time 15 minutes mins
Total Time 32 minutes mins
Servings: 12 cookie bars
Course: Dessert
Cuisine: American
Ingredients Notes

Ingredients
  

  • 1/2 cup butter softened, 1 stick, unsalted
  • 1/2 cup light brown sugar
  • 1/4 cup sugar
  • 2 tsp vanilla extract
  • 1 egg
  • 1 1/4 cups all purpose flour spooned & leveled
  • 2 tsp corn starch
  • 1 tsp baking soda
  • 1/2 tsp salt
  • 1/2 cup halloween m&ms
  • 1/2 cup dark chocolate chips + more for tops
  • 1/2 cup halloween sprinkles
  • flaky sea salt for tops optional

Notes

Can I double this recipe to make more?
Yes of course!! You can double this recipe and use a cookie sheet or 9 by 13 inch pan for more cookie bars.
 

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!!

Sweetly, Cassidy 🙂

Jesus LOVES you so much and has an amazing purpose for your life. He died for your sins and made you beautiful and wonderful. (Psalm 139:14) Call on Him and you will be saved!! (Romans 10:9)

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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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