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    Home » Recipes » Halloween Recipes

    Halloween Cookie Bars | Easy Spooky Recipe One Bowl 

    Modified: Oct 10, 2025 · Published: Oct 10, 2025 by Genevieve · This post may contain affiliate links · 3 Comments
    1 shares
    Jump to Recipe

    Halloween Cookie Bars Spooky recipe is a delicious Oreo Cookie Recipe made in one bowl with cookie dough, candy corn, pumpkin creams, Halloween M&M's, and pretzels. This sweet salty savory snack is perfect for your Halloween Party and all your spooky gatherings. The Perfect October Treat!

    Monster cookie bars easy Halloween recipe this …

    Easy Halloween Cookie Bars are the perfect Halloween treat! These are the best sweet and salty snack to celebrate spooky season!

    It's no secret that I love Halloween, actually one might say that I'm obsessed. Consider me your Hallowqeen 😉 Here are more ghoulish recipes for pumpkin carving, candy eating, and Trick-or-Treating shenanigans! Crescent Roll Mummy Hot Dogs are a fun Mummy Appetizer recipe. Chocolate Crescent Roll Witch Hats ( Easy Halloween Appetizer) is wonderful for a Hocus Pocus themed party! Spooky Pizza | Fun Easy Halloween Ghost Recipe is is a ghostly Halloween dinner idea. Halloween Popcorn Mix is a fun twist on Monster Mash popcorn using leftover Halloween Candy. Ghost Iced Coffee Pumpkin Spiced Iced Coffee Recipe is a spooky coffee recipe. Hocus Pocus Drink is a Tart Cherry Infused Halloween Spritzer.

    Jump to:
    • Why you'll Love these Halloween Cookie Bars
    • 👻 Ingredients for Halloween Monster Bars
    • 👻 Halloween Cookie Bars Ingredients
    • 👻 How to make Halloween Cookie Bars?
    • Pro Tip for Halloween Candy Cookie Bars
    • Tips!
    • More Halloween Recipes
    • Pin or send this recipe to a friend!
    • Follow Us
    • 📖 Recipe
    • 💬 Comments
    halloween magic cookie bars

    Why you'll Love these Halloween Cookie Bars

    Halloween Oreo Cookie Bars are sweet and salty. Make great Halloween Party Favors, and are basically if a cookie and cake had a baby, then it would be these awesome Halloween Cookie Candy Bars! Oh, and they're made in one bowl. Easy Peasy.

    More Halloween Recipes

    👻 Ingredients for Halloween Monster Bars

    Ingredients for Halloween Cookie Bars include pretzels, all-purpose flour, Halloween M&M's, brown sugar, melted butter, egg, Halloween Oreos, sea salt, baking powder, vanilla extract

    👻 Halloween Cookie Bars Ingredients

    • All Purpose Flour: Use a bleach free one. Bleach in flour is no good! My all-time favorite flour is King Arthur Baking flour. Everything turns out so fluffy with this flour.
    • Baking Powder: Aluminum free baking powder is the way to go. Avoid baking soda in this recipe as it will make it too dry.
    • Brown Sugar: Coconut sugar also works well too! Just make sure it's a dark sugar and now white sugar or the cookie bars won't set right. We want these chewy cookie bars, not dry.
    • Sea-Salt: I take a teaspoon of sea-salt per day to keep my mineral levels up and to keep me happy and hydrated. It has more uses than just for baking you know.
    • Vanilla Extract: Bourbon Vanilla Extract is the only real vanilla extract you can find. Trust me, it makes ALL the difference. My fav brand is Trader Joe's.
    • Melted Butter: Melt the butter until it turns into brown butter. This makes this halloween magic cookie bars legit magical!
    • Eggs: Use organic, pasture raised eggs. Did you know that just because a carton of eggs says organic doesn't mean it's true? Pasture raised hens living outside with the American Humane Seal on the carton is the only way to go.
    • Halloween Oreos: They are orange inside. I rest my case. 😉
    • Halloween M&M's: Halloween M&M's add chocolate and vibrant color to this easy Halloween dessert.
    • Pretzels: Pretzels are the salty part of these delicious halloween cookie recipe.
    • Candy Corn: Candy Corn makes this dessert sweet with the classic Fall has arrived! Taste. Yes, there's a Fall taste, you know the one!
    • Baking Dish: This one is Halloween themed. Enough said.
    • Cooking Spray: Trader Joe's makes the best Organic Coconut Oil Cooking spray, but in a pinch this will do.

    👻 How to make Halloween Cookie Bars?

    a stack of Halloween cookie bars

    Prep Step:
    Preheat oven to 350°F. Coat a 9-inch square baking pan with cooking spray. Line with parchment paper, leaving at least a 1-inch overhang on 2 sides.

    Stir together flour, sugar, baking powder, and salt in a large bowl.
    1. Step 1: Stir together flour, sugar, baking powder, and salt in a large bowl. 
    Add butter, vanilla, and egg; whisk until well combined.
    1. Step 2: Add butter, vanilla, and egg; whisk until well combined. 
    The batter should resemble cookie dough but also really moist.
    1. Step 3: The cookie batter should be a cross between cookie dough and cake batter. Nice and moist!
    Fold in ½ cup each pretzels, cookies, and chocolate chips.
    1. Step 4: Fold in ½ cup each pretzels, Oreo cookies, candy corn mix, and Halloween M&M's.
    Spread batter evenly in prepared baking pan. Sprinkle with remaining ¼ cup pretzels, 1 cup cookies, and 2 tablespoons chocolate chips.
    1. Step 5: Spread batter evenly in prepared baking pan. Sprinkle with remaining ¼ cup pretzels, 1 cup cookies, and 2 tablespoons M&M's and candy corn mix.
    Bake until edges just start to pull away from sides of baking pan and top is golden brown, about 30 minutes. Let cool completely in pan on a wire rack, about 2 hours. Remove from pan and cut into squares.
    1. Step 6: Bake until edges just start to pull away from sides of baking pan and top is golden brown, about 30 minutes. Let cool completely in pan on a wire rack, about 2 hours. Remove from pan and cut into squares.

    Pro Tip for Halloween Candy Cookie Bars

    • Add Candy Eye Balls for a super SPOOK-TACULAR treat!
    chocolate chip cookie
candy cookie bars

    Tips!

    • Don't over bake these Halloween Cake Bars. If you do they'll be dry.
    • Add any toppings you want. Go crazy with the leftover Halloween Candy! Kit Kat bars, Twizzlers, Snickers, co crazy!
    • Let them full cool before cutting into. I repeat let the Halloween Monster Cookie Bars cool!
    halloween cake bars
halloween m&m cookies

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      Ghost Iced Coffee | Pumpkin Spiced Iced Coffee Recipe
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      Spooky Pizza | Fun Easy Halloween Ghost Recipe
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      Chocolate Crescent Roll Witch Hats (Easy Halloween Appetizer)

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    Halloween Cookie Bars | Easy Spooky Recipe One Bowl 

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    About Genevieve

    Thank you for stopping by Fitty Foodlicious, a website dedicated to sharing lasting, family recipes, anxiety tips and tricks, and healthy spirited mental wellness. Genevieve's recipes have been featured on MSN.com, NewsBreak, Food Talk Daily, Food Gawker, Trivet Recipes, Bartender.com, Health Magazine, Kitchen Aid AU NZ, and has a published Cookbook titled The 5-Ingredient Paleo Cookbook which can be purchased at all major bookstores and on Amazon.

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    📖 Recipe

    Halloween Cookie Bars | Easy Spooky Recipe One Bowl 

    Genevieve Jerome
    Halloween Cookie Bars Spooky recipe is a delicious Oreo Cookie Recipe made in one bowl with cookie dough, candy corn, pumpkin creams, Halloween M&M's, and pretzels. This sweet salty savory snack is perfect for your Halloween Party and all your spooky gatherings. The Perfect October Treat!
    5 from 4 votes
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    Prep Time 5 minutes mins
    Cook Time 30 minutes mins
    Total Time 35 minutes mins
    Course Dessert, Halloween recipes
    Cuisine American
    Servings 8 people
    Calories 236 kcal

    Equipment

    • 1 Baking Dish

    Ingredients
      

    • Cooking Spray
    • 2 cups All-purpose flour
    • 1 ½-cups packed light brown sugar
    • 1 teaspoon Baking Powder
    • 1 teaspoon Sea-Salt
    • 2 tsp Vanilla Extract
    • 1 large Pasture Raised Egg
    • ¾ cup coarsely chopped pretzels (from about 18 pretzels), divided
    • 1 ½-cups cream-filled chocolate sandwich cookies (from about 12 cookies, such as Halloween Oreos), divided
    • 1 cup Candy Corn Autumn Mix
    • 1 ½-cups Halloween M&m's, divided
    Get Recipe Ingredients

    Instructions
     

    • Preheat oven to 350°F. Coat a 9-inch square baking pan with cooking spray. Line with parchment paper, leaving at least a 1-inch overhang on 2 sides.
    • Stir together flour, sugar, baking powder, and salt in a large bowl. 
    • Add butter, vanilla, and egg; whisk until well combined.
    • The cookie batter should be a cross between cookie dough and cake batter. Nice and moist!
    • Fold in ½ cup each pretzels, Oreo cookies, candy corn mix, and Halloween M&M's.
    • Spread batter evenly in prepared baking pan. Sprinkle with remaining ¼ cup pretzels, 1 cup cookies, and 2 tablespoons M&M's and candy corn mix.
    • Bake until edges just start to pull away from sides of baking pan and top is golden brown, about 30 minutes. Let cool completely in pan on a wire rack, about 2 hours. Remove from pan and cut into squares.

    Nutrition

    Calories: 236kcalCarbohydrates: 50gProtein: 5gFat: 1gSaturated Fat: 0.3gPolyunsaturated Fat: 0.3gMonounsaturated Fat: 0.3gTrans Fat: 0.003gCholesterol: 23mgSodium: 506mgPotassium: 61mgFiber: 1gSugar: 19gVitamin A: 34IUVitamin C: 0.2mgCalcium: 40mgIron: 2mg
    Tried this recipe? Follow us on InstagramMention @fittyfoodlicious or tag #fittyfoodliciousrecipes!
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    Reader Interactions

    Comments

    1. Nicole

      October 11, 2025 at 2:56 pm

      5 stars
      These Halloween cookie bars are so much fun! I love that it’s just one bowl.

      Reply
    2. Leah

      October 11, 2025 at 3:08 pm

      5 stars
      These Halloween cookie bars are so delicious. Such fun and spooky idea.

      Reply
    3. Claudia

      October 13, 2025 at 5:01 pm

      5 stars
      These look so fun! One-bowl Halloween cookie bars are such a great idea — easy to make and perfect for a spooky treat!

      Reply
    5 from 4 votes (1 rating without comment)

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