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Leftover Halloween Candy Brownies

on October 11, 2024
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These fudgy and delicious Leftover Halloween Candy Brownies will turn your trick-or-treat leftovers into the best ever treat! Simple foolproof recipe with just one bowl required!
Leftover Halloween Candy Brownies freshly baked and sliced.

If you’re anything like me, you inevitably find yourself with a massive amount of leftover Halloween chocolate come November. Well, nothing kicks off baking season better than these Leftover Halloween Candy Brownies.

It’s no surprise that I’m a brownie fan (these Condensed Milk Brownies put me on the map!), and the chocolaty squares are only made better with all your favorite add-ins.

With a fudgy texture and tons of varied flavors and textures from the candy, these brownies can’t help but be outrageously delicious. Plus, they’re easy to whip up and this brownie recipe works with any chocolate-based candy.

So, instead of letting all that candy expire in the back of your pantry, let this recipe become an annual Halloween tradition that will make you re-fall in love with that candy. And if you still have more, check out these Leftover Halloween Candy Cookies, next!

Holding a brownie packed with chopped Halloween candy up to the camera to show fudgy texture.

Guided by principles of green living, I always do all that I can to avoid food waste, whether that be fresh food or leftover candy!

Green tip: Did you know that of the billions of pounds of food wasted annually, it is estimated that 50% of it happens in our homes? It’s always best to avoid food waste as much as you can!

Halloween Candy Brownies Ingredients


Here’s everything you need:

  • Unsalted butter. If you only have salted just omit the added salt.
  • Oil. Any neutral oil will do. I usually use vegetable or coconut.
  • Granulated sugar. I debated whether to finalize this recipe with 1 or 1 ¼ cup sugar, but I liked the texture of the latter better. If you have a sweet tooth, definitely go with 1 ¼ cup, but if you’re worried, they will be too sweet, go with 1 cup.
  • Eggs.
  • Vanilla extract.
  • All-purpose flour.
  • Cocoa powder. I used dark.
  • Salt.
  • Leftover Halloween Candy. See full list of suggested candies below.
Overhead view of the ingredients needed for Leftover Halloween Brownies - butter, cocoa powder, sugar, oil, vanilla extract, Halloween candy, flour, eggs, and salt.

Brownies with Candy Tips and Tricks


Best Halloween Candies for Baking

This easy brownie recipe works with really any chocolate-based candy. You can use mini or full-sized candy bars, just roughly chop them. Once chopped, measure about 1 ½ cups of the candy pieces to add to the brownie batter.

Here’s a quick list of leftover Halloween candies that are delicious in these brownies:

  • Hershey’s
  • Kit Kat
  • Reese’s
  • Butterfinger
  • M&M’s of any flavor
  • Twix
  • Milky Way
  • 3 Musketeers
  • Snickers
  • Pay Day
  • Almond Joy
  • Baby Ruth
  • Mounds
  • Crunch
  • Heath
  • 100 Grand
  • Mars Bars
  • Take 5
  • Whoppers
Assorted chocolate candy like Twix, Snickers, Milky Way, and 3 Musketeers roughly chopped on a chopping board.
Roughly chop your candy bars into ½-inch pieces.

How to Make Easy Brownie Batter

Make sure your butter is softened for best results. If you don’t have time to allow the butter to come to room temperature naturally, check out How to Quickly and Easily Soften Butter.

Start by creaming the butter, oil, and sugar together with a hand mixer on high until it is smooth and integrated. This step is crucial to getting a great texture on your brownies, as creaming the sugar and the fat aerates it.

Next, add the eggs and vanilla extract and beat again until just combined. Then, add your flour, cocoa powder, and salt. Mix again and then use a rubber spatula to scrape any ingredients left on the sides of the bowl and integrate it into the batter.

Finally, fold in about 1 cup of the chopped candy bars, using a spatula to pepper the candy throughout the batter.

Butter and sugar creamed together in a large mixing bowl surrounded by Halloween pumpkins.
Cream the butter, oil, and sugar first.
Butter, sugar, eggs, and vanilla extract mixed together in a large mixing bowl with mini pumpkins around it.
Mix in the eggs and vanilla extract.
Brownie batter in a large mixing bowl before adding chopped Halloween candy.
Add the flour, cocoa powder, and salt and combine.
Chopped assorted leftover Halloween candy in brownie batter.
Fold in about 1 cup of the chopped candy.

Transfer the Batter

Use a spatula to transfer the batter into a lined square 8×8 or 9×9-inch pan. Spread the batter out, pushing it into all four corners until it’s roughly evenly spread throughout.

Then, add the rest of the chopped Halloween candy on top. Bake on the top rack of your preheated 350°F oven for 25-30 minutes until the brownies do not wobble in the center when you give them a shake.

Allow them to cool for at least 15 minutes before slicing into them.

Brownie batter in a lined square baking dish with pumpkins in the background.
Transfer the brownie batter to a lined dish.
Roughly chopped leftover Halloween candy generously sprinkles over brownie batter.
Add the rest of the candy on top.

How to Properly Store Leftover Brownies

Cover your one-bowl brownies or store them in an airtight container to keep them fresh. At room temperature, they will last for 3-4 days. In the refrigerator, these brownies will last up to a week!

If you want to extend the life of your brownies even further, you can freeze them in an airtight container for up to 4 months. Just make sure to allow them to thaw at room temperature before biting into them.

Fudgy brownies with chopped candy bars, holding the center brownie up to the camera.

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Leftover Halloween Candy Brownies freshly baked and sliced.

Leftover Halloween Candy Brownies

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Marley Goldin
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These fudgy and delicious Leftover Halloween Candy Brownies will turn your trick-or-treat leftovers into the best ever treat! Simple foolproof recipe with just one bowl required!
Prep Time 5 minutes
Cook Time 30 minutes
Total Time 35 minutes
Servings 9 brownies

Ingredients
 
 

  • ½ cup unsalted butter (softened)
  • 1 tablespoon oil (canola, vegetable, grapeseed, or coconut in liquid form)
  • 1 ¼ cups granulated sugar (*see notes)
  • 2 large eggs
  • 2 teaspoons vanilla extract
  • ½ cup all-purpose flour
  • ½ cup unsweetened cocoa powder (I used dark)
  • ¼ teaspoon salt (plus an optional extra pinch of flaky salt for the top)
  • 2 teaspoons espresso powder (optional)
  • 1 ½ cups leftover Halloween candy, roughly chopped (**see notes)

Instructions
 

  • Preheat the oven to 350°F and line your pan with parchment paper.
  • In a large mixing bowl, use a hand mixer on high to combine the softened butter, oil, and sugar for 2-3 minutes to cream together.
    ½ cup unsalted butter, 1 ¼ cups granulated sugar, 1 tablespoon oil
  • Add the eggs and vanilla and use the hand mixer on low until combined.
    2 large eggs, 2 teaspoons vanilla extract
  • Mix in flour, cocoa powder, espresso powder (optional), and salt and combine until smooth. Your batter should be light and airy.
    ½ cup all-purpose flour, ½ cup unsweetened cocoa powder, ¼ teaspoon salt, 2 teaspoons espresso powder
  • Use a spatula to fold in 1 cup of chopped candy.
  • Transfer the brownie batter to your prepped pan and use a spatula to spread it out in an even layer. Sprinkle the rest of the candy on top.
  • Bake for 25-30 minutes on the top rack of the oven, until the middle doesn't wobble when shaken. Option to crack on sea salt or pink Himalayan salt. Allow to cool completely before removing from the pan and slicing into 9 or 16 brownies!

Pro Tips

  • *If you’re worried about these being too sweet you can use just 1 cup of sugar and still get a similar texture on your brownies. 
  • **You can make these with one or a combination of any of the following chocolate candy bars: Hershey’s, Kit Kat, Take 5, Mars Bars, Heath, Crunch, Mounds, Baby Ruth, Almond Joy, 3 Musketeers, Milky Way, Twix, M&M’s of any flavor, Butterfinger, Snickers, Reese’s, Pay Day, and 100 Grand.
  • When the brownies first come out of the oven, they may seem slightly underdone. This is intentional as they will continue to cook until they cool. However, if you are one of those people who prefers the corner pieces and not the ooey-gooey middle bits, leave them in the oven for 5 extra minutes in order to get a crispier treat.
  • I like my brownies chunkier, so I use a 9-inch by 9-inch pan or an 8-inch by 8-inch pan. If you want thinner brownies, you can easily use a 13-inch by 9-inch pan. No need to alter the cooking time or anything. I’ve made them in this size pan before and they are equally delicious.

Video

Course Dessert, Snacks
Cuisine American
Diet Vegetarian
Keyword Brownies, Chocolate, Easy, One-Bowl
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