These Ultimate Butterfinger Brownies are scary good! Don’t wait until you have leftover Halloween candy to make these!

piles of stacked butterfinger brownies on a plate with halloween butterfinger candies


Ultimate Butterfinger Brownies are rich and fudgy, with the signature crispety, crunchety, peanut buttery-ness of Butterfingers! 

Confession:  We have already started celebrating Halloween at our house. I can’t help myself! It’s my favorite holiday!

Hocus Pocus has already been viewed twice this month and I’ve bought more than one bag of Halloween candy, including these fun-size Butterfingers. They are perfect for making Halloween treats like these Ultimate Butterfinger Brownies.

We love brownies and make them all the time! Some of our other favorite brownies recipes are Frosted Brownies, Homemade Nutella Brownies, and Cream Cheese Brownies.

a gray plate with butter finger brownies stacked on top showing the caramel colored gooy filling in every piece

If you haven’t tried Butterfingers Peanut Butter Cups yet, you are missing out. Big Time. The outside is milk chocolate and the inside is stuffed with a Butterfingers peanut butter filling that is both creamy AND crunchy. And they come skull shaped at Halloween, which is delightfully creepy!

And it makes it super easy to turn a plate of these Butterfinger Brownies into a spooky treat just by adding a few unwrapped skulls to the plate!

I’m alllllllll about festive Halloween desserts that don’t require mad decorating skills (see these Dark Chocolate Halloween Chip Cookies or Halloween Chex Mix Muddy Buddies for proof) so skull shaped candies are right up my alley.

These are the crispety, crunchety, peanut buttery-iest brownies ever. I started with my recipe for Ultimate Brownies, which I tweaked just a bit for these brownies by replacing the chocolate chips with cocoa powder.

aerial view of butter fingers in bowls and in wrappers next to butter finger brownie batter

Then it’s just a matter of chopping up some butterfingers to toss them in the brownie batter.

a bowl of butterfinger brownie batter and a wooden spoon
baked butterfinger brownies sliced into squares

More Halloween Desserts You’ll Love

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Ultimate Butterfinger Brownies

4.91 from 10 votes
Amy Nash
Prep Time 15 minutes
Total Time 15 minutes
Course Dessert
Cuisine American
Servings 16 brownies
These Butterfinger Brownies are rich and fudgy, with the signature crispety, crunchety, peanut buttery-ness of Butterfingers! Don't wait until you have leftover Halloween candy to make these!  Make sure you grab an extra bag of Butterfingers Peanut Butter Cups to have on hand just for baking these frightfully delicious Halloween brownies!

Ingredients
  

  • 3/4 cup all-purpose flour
  • 1/2 cup cocoa powder
  • 1/4 teaspoon salt
  • 1/2 cup salted butter
  • 4 ounces high quality unsweetened chocolate chopped
  • 1 1/2 cups granulated sugar
  • 3 large eggs plus 1 egg yolk
  • 2 teaspoons vanilla
  • 1 cup roughly chopped Butterfingers candy bars 8-9 fun-size bars
  • 1 cup chopped Butterfinger Peanut Butter Skull Cups

Instructions
 

  • Preheat oven to 350° F. Line a square 8×8" baking dish with parchment paper and spray with cooking spray.
  • Sift together the flour, cocoa powder, and salt in a bowl.  
    ¾ cup all-purpose flour, ½ cup cocoa powder, ¼ teaspoon salt
  • Combine the butter and chopped unsweetened chocolate in a large microwave-safe bowl. Microwave on high in 30 second bursts, stirring well with a spoon or spatula between bursts, until completely melted and smooth. Allow to cool for a few minutes.
    ½ cup salted butter, 4 ounces high quality unsweetened chocolate
  • In a separate bowl, combine the eggs, egg yolk, and sugar and beat with an electric mixer for 3 minutes on medium-high speed until light and thick. This step is important because it is what is going to give that papery thin, crackly crust and perfect brownie texture that you want. Add the vanilla and beat again until combined.
    1 ½ cups granulated sugar, 3 large eggs, 2 teaspoons vanilla
  • Add the slightly cooled melted chocolate and butter to the eggs, sugar and vanilla and stir to combine using a wooden spoon or spatula. Sprinkle the sifted flour, cocoa powder and salt over the batter and gently stir it in, just until no streaks of flour remain. Stir in the chopped Butterfingers and Butterfinger Peanut Butter Skull Cups.
    1 cup roughly chopped Butterfingers candy bars, 1 cup chopped Butterfinger Peanut Butter Skull Cups
  • Pour the brownie batter into the prepared baking dish and bake for 35 to 40 minutes, until a toothpick or skewer inserted into the center of the brownies comes out mostly clean with only a few crumbs attached. Be sure not to overbake.
  • Cool completely before cutting.

Nutrition

Calories: 301kcal | Carbohydrates: 42g | Protein: 4g | Saturated Fat: 8g | Cholesterol: 50mg | Sodium: 152mg | Fiber: 2g | Sugar: 28g
Tried this recipe? Show me on Instagram!Mention @HouseOfNashEats or tag #houseofnasheats!

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About the author

Hi, I'm Amy

I enjoy exploring the world through food, culture, and travel and sharing the adventure with mostly from-scratch, family friendly recipes that I think of as modern comfort cooking.

4.91 from 10 votes (8 ratings without comment)

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Reader questions and reviews

  1. Sandra Shaffer says:

    5 stars
    Ok, I absolutely love Butterfingers, but never knew they have a peanut butter version! Heavenly combination and one delicious chocolaty brownie!

  2. Richa Gupta says:

    5 stars
    Halloween is such a fun holiday! I’m sure these will be a big hit during the season

  3. Kay G says:

    I made these butterfinger brownies for the October Halloween challenge. They were very good. I probably prefer the ultimate brownie from this site, but they will be eaten quickly by my family.