Leftover Halloween Candy Cookie Bars

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Leftover Halloween Candy Cookie Bars is the best way to do something fun with that huge bag of chocolates you just collected. It’s also a great treat to make someone with the candy you didn’t want to eat.

Bars are one of my favorite desserts to make because there are so many variations. I’m currently obsessed over Hello Dolly bars and Chocolate Chip Brownie Bars. What I love about this new recipe is that you can fill it with your favorite chocolates.

Two Halloween candy cookie bars stacked on a plate surrounded by scattered candy, with more cookie bars in the background.

Leftover Halloween Candy Cookie Bars

What’s your favorite Halloween candy? The ones I tend to scoop out of my kids trick-or-treat bags are Twix and Snickers. I don’t mind Reese’s peanut butter cups either.

Grab all your M&Ms, candy corn and whatever else you’ve got, and toss them in this fun dessert.

Overhead view of a layer of Halloween candy topped with scoops of chocolate chip cookie dough.

How to Make Cookie Bars


  • Butter
    Light brown sugar
    Baking soda
    Baking powder
    Chocolate chips
    Mini candy bars

This recipe essentially makes chocolate chip cookie dough and splits it into two layers. In the middle is where we fill it with candy.

Place half the dough at the bottom of the lined pan, add leftover Halloween candy, then scoop the remaining dough on top. It will spread out across the pan while it bakes.

Two Halloween candy cookie bars stacked on a plate surrounded by scattered candy, with more cookie bars in the background.

These are best when they are fresh out of the oven and still a little warm. Serve with a big glass of milk and enjoy. Store these in an airtight container for up to 7 days.

Two Halloween candy cookie bars stacked on a plate surrounded by scattered candy, with more cookie bars in the background.
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Halloween Candy Cookie Bars

Soft and chewy Halloween Candy Cookie Bars loaded with chocolate chips, chocolate bars, M&Ms, and candy corn are the BEST way to use up candy leftover from trick-or-treating!
Servings: 16
Prep: 5 minutes
Cook: 30 minutes
Total: 35 minutes



  • Preheat oven to 350 degrees.
  • Line the baking pan with parchment paper.
  • Lightly coat the parchment paper lined pan.
  • Set aside.
  • Mix together the flour, baking soda, baking powder, and salt in a small bowl. Set aside.
  • Using the electric mixer cream together butter and both sugars until they are combined.
  • Slowly add the egg and vanilla to the bowl beating until completely combined.
  • Add the dry ingredients a little at a time to the wet ingredients beating until they are thoroughly blended.
  • Add chocolate chip stirring to combine and mix within the dough.
  • Divide the dough in half. Press one half into the bottom of the baking pan with your hands. (Leave 1/2 inch gap around the edges of the pan).
  • Unwrap the candy bars. Begin placing them evenly spaced on the top of the first layer of the dough.
  • Top this with the remaining dough.
  • Cover the candy on the first layer. (Both top and sides)
  • Bake at 350 degrees for 25-30 minutes. (Or until the top is golden brown)
  • Remove from the oven and allow to cool for 30 minutes.
  • Lift the bars out of the pan by using the parchment paper.
  • Cut into squares and serve.

Last Step:

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Nutritional facts may vary based on which candy bars you use.


Serving: 16g | Calories: 212.86kcal | Carbohydrates: 30.78g | Protein: 2.24g | Fat: 9.12g | Saturated Fat: 5.6g | Cholesterol: 27.4mg | Sodium: 172.44mg | Potassium: 31.79mg | Fiber: 0.66g | Sugar: 21g | Vitamin A: 220.82IU | Vitamin C: 0.07mg | Calcium: 28.28mg | Iron: 0.8mg


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