Leftover Halloween Candy Cookie Bars

These Leftover Halloween Candy Cookie Bars are a delicious, easy, and creative way to use your leftover Halloween candy this season. 

The cookie bars are made with a cake mix but taste just like the ooey-gooey cookie bars in your dreams.

Make sure to save this recipe just in case you find yourself craving candy cookie bars throughout the year!

Pinterest Pin of A Leftover Halloween Candy Cookie Bar Recipe

As much as I love Halloween, thank goodness it only occurs once per year.

We always have so much leftover chocolate after the trick-or-treaters come.

Instead of letting the leftover candy sit around for months, I try to make a sweet treat with it that I can share with family and friends (usually for Friendsgiving!).

This year, it’s these loaded cookie bars.

In the past, I have created a candy trifle with leftover Halloween candy.

KitKat's, Reese's, M&M's, and Twix spread out on the counter.

Table of Contents: Leftover Halloween Candy Cookie Bars

  1. Ingredients
  2. Equipment
  3. Instructions
  4. Recipe Card

Leftover Halloween Candy Bars Cookie Ingredients

All you need to make these cookie bars are four  ingredients:

  1. Yellow Cake Mix
  2. Eggs
  3. Vegetable Oil
  4. Leftover Halloween Candy

Candy Cookie Bar Ingredients: Oil, Cake Mix, Eggs, and Leftover Candy

What Is The Best Leftover Halloween Candy For This Recipe?

Don’t overthink this! Use whatever leftover chocolate you have at home. One candy I definitely recommend though is M&M’s because it adds color to your cookie bars!

  • Hershey’s
  • KitKat
  • Reese’s
  • Almond Joy
  • Twix
  • Milky Way
  • 3 Musketeers
  • Snickers
  • Rollos
  • M&Ms

Equipment To Make Leftover Halloween Candy Cookie Bars

I always like to get my kitchen tools and equipment out in advance of preparing any recipe. Here’s what you need for these cookie bars:

  1. Large mixing bowl
  2. Measuring cup
  3. Wooden spoon
  4. Cutting board
  5. Chef’s knife
  6. 9″x13″ Glass baking dish

Close up image of Candy cookie bar dough in a pan

How To Make Leftover Halloween Candy Cookie Bars

First, preheat the oven to 350 degrees.

Next, place the Halloween candy in the freezer.

This will prevent the chocolate from melting when you chop it up later.

Then, add the cake mix, eggs, and oil to a large bowl.

Cake mix, eggs, and oil in a large bowl

Mix thoroughly.

The consistency of the dough will be thicker than cake batter, but thinner than traditional cookie dough.

Next, remove the chilled candy from the freezer, unwrap it, and chop it into bite-sized pieces.

Note: if you were super fast making the cookie dough (say 3-5 minutes), leave the candy in the freezer for 5-10 more minutes.

Cake mix, eggs, and oil in a large bowl mixed together.

Next, fold 3/4 of the candy into the cookie dough.

Cookie dough with candy folded into the dough

Then, transfer the cookie dough into a 9″x13″ pan lined with parchment paper.

I recommend using the back of a spoon to ‘spread’ the dough across the entire pan.

Top with the remaining ¼ of candy.

Cookie dough spread into 9x13 inch pan

Bake the cookies for about 45 minutes, or until the tops of the cookie bars are golden brown.

Remove the cookie bars from the oven.

Let the cookies cool completely in the pan before cutting into them (so they don’t lose their shape).

Close up image of candy cookie bars cut into 1" squares

To remove the cookies from the pan, lift both sides of the parchment paper and transfer the cookies onto a cutting board or another flat surface.

I cut the cookies into 1″ squares, for a total of 24 cookie bars.

Feel free to make bigger bars though if you would like!

I Want To Hear From You!

Let me know if you have any questions or comments below.

Also, if you made these Halloween Cookie Bars, I’d love to see them!

Tag me on Instagram: @lifestyledbysam_

Other Recipes You May Like


Leftover Halloween Candy Cookie Bars

These Leftover Halloween Candy Cookie Bars are a delicious, easy, and creative way to use your leftover Halloween candy this season. The cookie bars are made with a cake mix but taste just like the ooey-gooey cookie bars in your dreams.
Prep Time 20 minutes
Cook Time 45 minutes
Total Time 1 hour 5 minutes
Course Appetizer, Dessert, Side Dish, Snack
Cuisine American
Servings 24

Ingredients
  

  • 2 Boxes Cake Mix Yellow
  • 4 Large Eggs
  • 1 Cup Vegetable Oil
  • Leftover Halloween Candy

Instructions
 

  • First, preheat the oven to 350 degrees.
  • Next, place the wrapped Halloween candy in the freezer. This will prevent the chocolate from melting when you unwrap it and chop it up later.
  • Add the cake mix, eggs, and oil to a large bowl, mix thoroughly. 
  • Then, unwrap the chilled Halloween candy, chop it into bite-sized pieces, and fold 3/4 of the candy into the cookie dough. 
  • Transfer the cookie dough into a 9"x13" pan lined with parchment paper.
  • Using a spoon, 'spread' the dough evenly across the entire pan.
  • Top with the remaining ¼ of candy.
  • Bake the cookies for about 45 minutes, or until the tops of the cookie bars are golden brown.
  • Remove the cookie bars from the oven and let them cool complete in the pan before cutting into them.
  • To remove the cookies from the pan, lift both sides of the parchment paper and transfer the cookies onto a cutting board or another flat surface.
  • Cut the cookies into 1" squares, for a total of 24 cookie bars.
  • Enjoy!

Notes

Notes:
  1. The reason this recipe takes 20 minutes to prep is because you need to unwrap and chop up the Halloween candy. Otherwise it's quick and simple.
  2. The Estimated Cost does not include the price of the leftover Halloween candy.
  3. Feel free to make your cookie bars bigger than 1" squares!
Keyword Candy, Halloween, Sweet


Pinterest Pin of Loaded Cookie Bars

Pinterest Pin of Halloween Candy Cookie Bar with a photo of cookie dough

Pinterest Pin of Halloween Candy Cookie Bar with a photo of cookies cut into 1" cubes.





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Sam
Samantha is the founder of the lifestyle blog, Lifestyled By Sam. She has been cooking and baking since her childhood and now loves hosting family and friends for the holidays. Lifestyle By Sam is dedicated to being your one-stop-shop for recipes and hosting your favorite holidays and events.

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Hi, I’m Sam

Thanks for stopping by my blog, Lifestyled By Sam

My goal is to be your one-stop-shop for recipes and hosting guides for your favorite events and holidays. Learn more about me.

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