Candy Bar Cookies (with Leftover Halloween Candy)

These candy bar cookies are the perfect sweet treat to use up your leftover Halloween candy! Chop up your favorite mini chocolate bars, mix in some M&M’s, and you’ve got the perfect loaded candy cookies recipe for your trick-or-treating bounty!

candy bar cookies made with leftover Halloween candy

Got a stash of leftover Halloween candy sitting in your pantry? Or maybe you just can’t resist snagging those mini candy bars every time you’re at the grocery store (guilty over here). Either way, I’ve got the perfect recipe for you, Candy Bar Cookies – the perfect Halloween cookies to make this Fall!

These chewy, chocolate-loaded cookies are basically your favorite candy bars wrapped in cookie form. Soft in the middle, crispy around the edges, and packed with chocolate chips, M&Ms, Reese’s Pieces, and chopped-up candy bars. If you’ve ever wanted a “clean out the candy drawer” dessert, this is it.

candy bar cookies with leftover Halloween candy

Why You’ll Love these Candy Bar Cookies

  • Great way to use up leftover candy – This cookie recipe is the perfect solution for leftover Halloween candy, especially after you get tired of eating the same mini candy bars over and over again.
  • Customize the mix-ins – These cookies are super customizable, so whether you love Snickers, Twix, Reese’s Cups, or Kit-Kats, you can mix in your favorites for a cookie that’s totally your own.
  • Easy to make – These Halloween candy cookies are easy to whip up, requiring no special equipment or long chilling times – just classic cookie dough with a fun, chocolatey twist.

Ingredients for Candy Bar Cookies

Here’s what you’ll need to whip up these chewy, candy-loaded treats:

ingredients for candy bar cookies
  • all-purpose flour – The base for your cookie dough.
  • baking powder – Helps give the cookies a little lift.
  • baking soda – Balances the dough and helps with spread.
  • salt – Just enough to bring out all the flavors and balance the sweetness from the chocolate candy bars.
  • unsalted butter, melted – Gives the cookies richness and that soft texture.
  • brown sugar and granulated sugar – The combo of sugars gives the perfect balance of sweet and crisp, and adds a deep caramel-like sweetness.
  • egg + egg yolk – The extra yolk makes the cookies chewy and soft.
  • vanilla extract – A little flavor boost for the dough.

For the Candy Mix-Ins:

You can use whatever leftover Halloween candy that you like, or whatever you have overflowing in your trick-or-treat bag. Here are some ideas for candy mix-ins that work well with this recipe:

  • plain M&Ms
  • Reese’s Pieces
  • Reese’s Cups
  • Snickers
  • Milky Way
  • Twix
  • Kit-Kat
  • candy corn
  • chocolate chips – Not exactly leftover Halloween candy, but what good cookie doesn’t have chocolate chips?!
candy bar cookies with mini chocolate bars and Reese's Pieces

How to Make Candy Bar Cookies

Making candy bar cookies is surprisingly simple and way more fun than sneaking candy from your kids’ Halloween stash. With just a few pantry staples and a mix of your favorite candy bars, you’ll have warm, chewy cookies ready in no time. 

Step 1: Prep your pans and mix the dry ingredients

Preheat your oven to 350°F. Line a baking sheet with parchment paper and set aside. In a medium mixing bowl, whisk together the flour, baking powder, baking soda, and salt.

Step 2: Mix the wet ingredients

In a large bowl, cream together the melted butter, brown sugar, and granulated sugar until smooth. Add the egg, egg yolk, and vanilla extract. Stir until everything is well combined.

cookie dough in a mixing bowl

Step 3: Combine and add the candy

Gradually add the dry ingredients into the wet mixture until a cookie dough forms. Then fold in the chocolate chips, M&Ms, Reese’s Pieces, and chopped candy bars, stirring after each addition so the candy is evenly spread out.

adding chopped up candy bars to cookie dough in a mixing bowl

Step 4: Scoop and bake

Scoop tablespoon-sized portions of dough onto your prepared baking sheet, leaving about 2 inches between each cookie. Bake for 10-12 minutes, or until the edges are lightly golden and the centers still look a little soft.

candy bar cookies on a baking sheet with parchment paper

Step 5: Cool (if you can wait!)

Let the cookies cool on the baking sheet for a few minutes before transferring to a wire rack. Then grab a glass of milk and dig in!

Halloween candy bar cookies

FAQs about Candy Bar Cookies

Can I use any type of candy bar for these cookies?


Absolutely! Popular choices include Snickers, Twix, Reese’s Cups, Milky Way, and Kit-Kats. Chop them into small pieces and mix them in.

Do I need to chill the dough before baking?

Not required, but chilling for 30 minutes can help prevent spreading and give you a thicker cookie.

How should I store these cookies?

Keep them in an airtight container at room temperature for up to a week, or freeze for up to three months.

Can I make the dough ahead of time?

Definitely, refrigerate the dough for up to 3 days. Let it sit at room temperature for about 10 minutes before baking.

And there you have it, chewy, gooey candy bar cookies that turn leftover Halloween treats into something irresistible. Whether you’re using Snickers, Twix, or a mix of everything from the candy bowl, these cookies are sure to be a hit. So tell me, what candy would you throw into your batch first?

And be sure to check out some of our other favorite Halloween cookies and treats:

Pinterest user? Do us a favor and PIN this to your board for cookie recipes. This is a great way to support us!

candy bar cookies made with leftover Halloween candy
candy bar cookies made with leftover Halloween candy

Candy Bar Cookies (with Leftover Halloween Candy)

Prep: 10 minutes
Cook: 12 minutes
Total: 22 minutes
Candy Bar Cookies combine the best of classic cookies with the delightful surprise of your favorite candy bars. These cookies boast a soft, chewy texture with a slightly crispy edge, bursting with a medley of chocolate chips, M&Ms, Reese’s Pieces, and chopped candy bars. Perfect for using up leftover Halloween candy or customizing with your personal favorites, these cookies are as fun to make as they are to eat. Enjoy them warm from the oven with a glass of milk for the ultimate comfort treat.

Ingredients
  

  • 1 ½ cups all purpose flour
  • ½ tsp baking powder
  • ½ tsp baking soda
  • ¼ tsp salt
  • ½ cup unsalted butter (melted (1 stick))
  • ½ cup brown sugar (packed)
  • ½ cup granulated sugar
  • 1 egg
  • 1 egg yolk
  • 1 tsp vanilla extract
  • ½ cup chocolate chips
  • ¼ cup plain M&M’s
  • ¼ cup Reece’s pieces
  • 1 cup chopped candy bars (like Reese’s Peanut Butter Cups, Milky Way, Snickers, Twix, etc.)

Instructions
 

  • Preheat oven to 350℉. Line a baking sheet with parchment paper and set aside.
  • In a medium mixing bowl, combine the flour, baking powder, baking soda, and salt. Set this mixture aside.
  • In a large mixing bowl, cream together the butter, brown sugar, and granulated sugar until smooth and well blended. Then add the egg, egg yolk, and vanilla extract to the butter and sugar. Mix until the ingredients are thoroughly combined.
  • Gradually incorporate the dry ingredients into the wet ingredients, mixing until the cookie dough forms.
  • Using a rubber spatula or wooden spoon, fold in the chocolate chips, M&Ms, Reese’s Pieces, and chopped candy. Be sure to stir after each addition to evenly distribute the candies throughout the dough.
  • Scoop out tablespoon-sized portions of dough and place them onto the prepared baking sheet, spacing them about 2 inches apart.
  • Bake the cookies for 10-12 minutes, or until the edges are lightly browned and the centers are still slightly soft.
  • Allow the cookies to cool on the baking sheet for a few minutes before transferring them to a wire rack to cool completely.
  • Enjoy your delicious homemade cookies, packed with a variety of candies and flavors!

Nutrition

Calories: 207kcalCarbohydrates: 29gProtein: 2gFat: 9gSaturated Fat: 5gPolyunsaturated Fat: 1gMonounsaturated Fat: 2gTrans Fat: 0.2gCholesterol: 32mgSodium: 94mgPotassium: 60mgFiber: 1gSugar: 20gVitamin A: 190IUVitamin C: 0.1mgCalcium: 32mgIron: 1mg

The nutrition facts provided are calculated using a third-party tool and are estimates only. Actual nutritional content may vary based on the ingredients and brands you use, as well as portion sizes. For accurate results, please consult a registered dietitian or nutritionist.

Course Dessert
Cuisine American

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