Halloween Candy Brownies have always been my go-to dessert after a night of trick-or-treating chaos. I still remember when I first made them in college, staring at a mountain of mini candy bars on the counter and wondering what on earth to do with leftover Halloween candy. One bite of the fudgy chocolate base mixed with crunchy, chewy candies convinced me these brownies were worth perfecting. My version is ready in just 35 minutes and gives you rich chocolate flavor, bursts of candy sweetness, and the perfect excuse to transform extra treats into something indulgent.
If you’ve been searching for the best Halloween Brownie Recipe or simply need creative ideas for Candy Bar Brownies, this one ticks all the boxes.

Why You’ll Love This Recipe
- Super fudgy brownie base with just the right chew
- Fun, colorful topping that makes use of leftover candy
- Beginner-friendly recipe, no complicated steps
- Customizable with whatever candy you have on hand
- A budget-friendly way to turn snack-sized bars into a dessert showstopper
A Sweet History of Brownies and Halloween Candy
Brownies first appeared in American cookbooks in the late 1800s, and ever since, they’ve been known for their dense, chocolatey texture. Fast forward to today, and bakers everywhere have combined brownies with seasonal fun. Adding candy to brownies became popular thanks to Halloween’s tradition of overflowing candy bags. The result? A dessert that’s both nostalgic and irresistibly modern—Halloween Candy Brownies are a mash-up of history and holiday fun.
For more candy-themed inspiration, check out Creepy Crunchy Monster Candy Bark or make your own DIY Kool Aid Candy Ropes for extra Halloween flair.
Ingredients You’ll Need
Main 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 (dark preferred)
- ¼ teaspoon salt (plus optional pinch of flaky salt for topping)
- 2 teaspoons espresso powder (optional, for deeper chocolate flavor)
- 1 ½ cups leftover Halloween candy, roughly chopped
Optional Add-Ins
- Extra drizzle of caramel or peanut butter
- Chopped nuts for crunch
- White chocolate chips for a sweeter twist
If you love brownies with a seasonal twist, don’t miss the 2 Ingredient Pumpkin Brownies or these chewy Pumpkin Chocolate Chip Cookies.
Step-by-Step Instructions
Prep the Pan
Preheat your oven to 350°F and line a square pan with parchment paper. This keeps the brownies from sticking and makes cleanup easy.
Cream Butter and Sugar
In a large mixing bowl, beat softened butter, oil, and sugar with a hand mixer for 2–3 minutes until creamy.
Add Eggs and Vanilla
Mix in eggs and vanilla on low speed until just combined.
Combine Dry Ingredients
Whisk flour, cocoa powder, espresso powder, and salt. Gently fold into wet mixture until smooth and airy.
Add the Candy
Fold in 1 cup of chopped candy. Spread batter into the pan and sprinkle the rest of the candy on top.
Bake to Perfection
Bake for 25–30 minutes on the top rack until the center is set. Let cool completely before slicing into squares. Optional: sprinkle flaky salt over the top.
Pro Tips for Success
- Don’t overmix the batter; it keeps the brownies fudgy.
- Use a mix of chocolate, caramel, and crunchy candies for balance.
- Chill before slicing to get neat squares.
- Swap espresso powder with instant coffee if you prefer a subtle flavor.
Delicious Variations
Peanut Butter Cup Brownies – Add chopped peanut butter cups for a nutty twist.
Caramel Candy Bar Brownies – Swirl caramel sauce into the batter before baking.
Double Chocolate Fudgy Brownies – Stir in chocolate chips for extra richness.
For more indulgent desserts, you’ll love Pumpkin Gooey Butter Cake or Speculoos Cookie Butter Desserts.
Serving Suggestions

- Serve warm with vanilla ice cream.
- Pair with a glass of milk or hot cocoa.
- Cut into bite-sized squares for a Halloween party platter.
For chocolate lovers, check out Chocolate Pistachio Desserts or try a decadent Oreo Dump Cake.
Nutritional Information
Nutrient | Per Serving |
---|---|
Calories | 240 |
Carbohydrates | 32 g |
Protein | 3 g |
Fat | 11 g |
Sodium | 95 mg |
Storage & Leftovers
- Fridge: Store in an airtight container for up to 5 days.
- Freezer: Wrap slices individually, freeze up to 2 months.
- Reheat: Microwave 15–20 seconds for warm, gooey brownies.
FAQs
What candy is good to put in brownies?
Chocolate bars, peanut butter cups, caramel candies, M&Ms, and crunchy toffee pieces all bake beautifully into Halloween Candy Brownies.
What are the top 10 most popular Halloween candy?
Reese’s Peanut Butter Cups, Snickers, M&Ms, Kit Kat, Twix, Hershey’s, Butterfinger, Skittles, Milky Way, and Starburst top the list.
When to put candy on top of brownies?
Add half inside the batter and sprinkle the rest on top right before baking. This ensures candy melts slightly but stays visible and crunchy.
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Now you know how to make the best Halloween Candy Brownies—fudgy, sweet, and packed with candy bar surprises. They’re the perfect answer to “what to do with leftover Halloween candy” and an easy crowd-pleaser. Have you tried your own twist yet? Share your favorite combo in the comments, and don’t forget to pin this recipe for later!
Print
Halloween Candy Brownies – Fudgy, Fun, and Perfect for Leftover Treats
- Total Time: 40 minutes
- Yield: 16 brownies 1x
- Diet: Vegetarian
Description
Fudgy Halloween Candy Brownies made with leftover Halloween candy. Chewy, rich, and filled with crunchy candy bar bites for the ultimate treat.
Ingredients
½ cup unsalted butter (softened)
1 tablespoon oil (canola, vegetable, grapeseed, or coconut in liquid form)
1 ¼ cups granulated sugar
2 large eggs
2 teaspoons vanilla extract
½ cup all-purpose flour
½ cup unsweetened cocoa powder (dark preferred)
¼ teaspoon salt (plus extra pinch of flaky salt for topping)
2 teaspoons espresso powder (optional)
1 ½ cups leftover Halloween candy, roughly chopped
Instructions
1. Preheat oven to 350°F and line a square pan with parchment paper.
2. In a large mixing bowl, cream softened butter, oil, and sugar for 2–3 minutes until smooth.
3. Add eggs and vanilla, mix on low until combined.
4. Whisk together flour, cocoa powder, espresso powder, and salt, then fold into wet mixture.
5. Fold in 1 cup chopped candy and spread batter into pan.
6. Sprinkle remaining candy on top.
7. Bake 25–30 minutes until the center is set. Cool completely before slicing.
Notes
Use a mix of chocolates, caramel candies, and crunchy bars for best results.
Chill before slicing for neat squares.
Optional: sprinkle flaky sea salt on top before serving.
- Prep Time: 10 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 brownie
- Calories: 240
- Sugar: 22 g
- Sodium: 95 mg
- Fat: 11 g
- Saturated Fat: 6 g
- Unsaturated Fat: 4 g
- Trans Fat: 0 g
- Carbohydrates: 32 g
- Fiber: 2 g
- Protein: 3 g
- Cholesterol: 40 mg
Keywords: Halloween Candy Brownies, Halloween Brownie Recipe, Candy Bar Brownies, Desserts using Halloween candy, Fudgy Brownie Recipe