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    Soulfully Made » Desserts » Brownies and Bars » Halloween Peanut Butter Brownies with Eyeballs

    Halloween Peanut Butter Brownies with Eyeballs

    Nikki Lee Published:August 19, 2022 | Updated: August 19, 2022

    This post may contain affiliate links. Please read our disclosure policy.

    Recipe Save Saved!
    Spooky Peanut Butter Cup Brownies Image of a hand holding the brownie
    Peanut Butter Halloween Eyeball Brownies image of a whote plate with a browniea and graphics of eyeballs
    Halloween Peanut Butter Brownies with Eyeballs Pin 4 Image only of a sheet pan full
    Halloween Peanut Butter Brownies with Eyeballs pin 1 image of plated slice

    No tricks with these treats- These Halloween Peanut Butter Brownies with Eyeballs are spooky fun and so yummy with Reese’s cups and candies, your favorite brownie mix, and eyeballs-- as you can clearly see!

    Just wait until the kids see these Reese’s Peanut Butter Eyeball Brownies! (Or maybe the candy brownies will see the kids first!) They will squeal with excitement as they sink their teeth into this delicious brownie recipe with eyeball candies, peanut butter, and their favorite Halloween colors.

    I just love the silliness of Halloween time and all the fun treats my family, and I can make together. On my list of favorite spooky treats would have to be Oreo Mummy Cookies and Gummy Worm Dirt Cupcakes are a Halloween favorite for the kiddos. And try my Monster Much Halloween Popcorn using the same eyeball candies.

    A slice of Peanut Butter Halloween Eyeball Brownies on a white plate with a white tea towel trimmed in black and scattered plastic spiders.

    Why you’ll love this recipe!

    • Super Easy- This recipe uses a box mix for the chewy brownies, and you can even use store-bought frosting instead of the ganache recipe here.
    • Halloween Fun- These eyeball brownies are not only tasty but so much fun to create and serve!
    • Loaded Peanut Butter Brownies- Need I say more? Scrumptious!  

    To get in the Halloween spirit, I went looking through all my recipes. There, I was reminded there of all the easy recipes that can be made whimsical for any holiday- like this Chocolate Chip Cookie Candy Cream Pie. Just change the patriotic sprinkles for Halloween sprinkles, and you have a whole new Cream Pie recipe!

    Biscoff Cookie Butter Cheesecake Bars and Red Velvet Brownies can be made into Halloween Cheesecake Bars and Devilishly Decadent Red Velvet Brownies. Simply drizzle melted dark chocolate in a spider web pattern over them, and you have a new treat.

    Whatever frightful confection you choose this year—enjoy family and a bit of silliness. It does the soul good!

    Ingredients

    Brownies

    • Fudge Brownie Mix | Make it easy with your favorite box mix. I used the Duncan Hines Chewy Fudge Brownie Mix.
    • Box Ingredients | Be sure to look at the box to see what it calls for. This fudge brownie recipe needs large eggs, water or milk, and vegetable oil.

    Ganache

    • Melting Wafers | Candy melts or wafers come in many colors. Get black, white, and orange for this recipe.
    • Heavy Whipping Cream | The cream makes the silky ganache pourable, rich, and delicious!

    Candy Toppings

    • Reese’s Pieces | These little peanut butter candies are the perfect colors for Halloween recipes as well as the Fall festivities.
    • Reese’s Peanut Butter Cup Minis | The mini cups work perfectly as a garnish for this peanut butter brownie Halloween treat.
    • Reese’s Peanut Butter Chips | I say more is more when it comes to Reese’s! Add in the peanut butter chips for more peanutty goodness.
    • Sanding Sugar | I used orange here to add that Halloween sparkle to the recipe.
    • Candy Eyeballs | You can find them in most craft and grocery stores. But if you are having trouble finding 2 sizes, try this link for Candy Eyeballs.
    Image of ingredients needed to make halloween eyeball brownies.

    How to Make Spooky Peanut Butter Cup Brownies

    ✱ Be sure to see the recipe card below for exact ingredients and instructions!

    I am sure you have made boxed brownies before—so this should be pretty simple. Start with a preheated oven. Then get your 9x13 baking pan out and line it with parchment paper. Then, when the brownies are cooled, you can pull them out of the pan easily.

    Step 1 | Mix the Chewy Brownie Batter

    Pour your favorite brownie recipe box mix into a large bowl or stand mixer bowl and follow the instructions.

    Add in the ingredients called for, like the oil, milk, and eggs, then mix by hand with a rubber spatula or with a mixer. Just be careful not to overmix the fudgy batter, or it will become dense.

    The batter will be a bit clumpy, and that is a good thing, y’all!

    Collage images showing steps to make the brownie batter and place in pan to bake brownies.

    If you want thick brownies, you can choose a 9x9 or an 8x8 pan or double the recipe. Just check the baking times on the box for your pan size.

    Now, let’s get to baking.

    Step 2 | Pour, Spread, and Bake

    I just love the taste and smell of fresh brownies in the oven!

    Pour the batter from the mixing bowl into the prepared pan and smooth it all the way to the edges.

    Now you can place the pan into the oven and set your timer. To test for doneness, use a toothpick inserted about an inch from the edge of the pan full. If it comes out clean, they are just right and ready to cool.

    Place the pan on a wire rack and allow it to cool.

    Collage images showing steps to make black, orange, and white ganache.

    Step 3| Ganache Time

    When making ganache, the consistency changes from a pourable medium consistency to a firm and smooth texture when cool.

    Start with the candy chocolate wafers. Divide the colors into bowls. Here I have 3 bowls, one with orange, one with black, and one with white.

    Next, begin heating the heavy cream on the stovetop or in the microwave until it begins to bubble. Then you are ready to pour the warmed cream over the melting chocolates evenly and allow that to sit for a minute.

    Now you can stir those waters until each one is fully melted and silky smooth.

    If you want a thinner ganache, simply add a splash more cream until it is perfect. Need it thicker? Add a few more melting chocolates and stir.

    Collage images showing steps to spread ganache and add Reese's candies, eyeball candy, and sanding sugar toppings.

    Step 4 | Create Your Halloween Peanut Butter Treat

    Now that the ganache is ready and the brownies are cooled, the fun begins. This is where you can call in the little ones, wash their little hands, and let them help you create a masterpiece on top of the brownies and ganache.

    Add an alternating spoonful of the melted chocolate ganache colors to make a cool pattern like the one in image 2 shown here. Then take a butter knife or a toothpick and create the swirl pattern.

    Time to decorate- put all those candies and the peanut butter layer on in a creative design and sprinkle on areas of colored sugar too. They will set in the colored chocolate mixture nicely once it is completely cooled.

    Got Halloween? EYE do! 🕷️(I Just had to.)

    Slice, display, and enjoy!

    Tips

    • Spooky Eyeballs- Use more than one size for that super freaky Halloween look.
    • Clean Hands- The black of the candy eyes will smear if your hands are not clean and dry!
    • Clumpy Chocolate- If your melting chocolate gets clumpy, simply add a few drops of vegetable oil or coconut oil and warm it up. Then it should be pourable again.
    • Doneness- Don't trust yourself with the toothpick method? Use a cake tester!
    A baking pan of brownies topped with festive eyeball candies and peanut butter treats, with colors of orange, black, and white ganache.

    Frequently Asked Questions

    How do you get those clean edge cuts on your brownies?

    Cutting the brownies on a cutting board is much easier than cutting them in the pan. For beautifully clean-edged cuts, use a sharp knife dipped in warm water. Dry it and allow the warm knife to make the clean cuts. Be sure to wipe off the knife between slices.

    What if there are no minis available?

    No minis? That’s alright-- use a whole Reese’s Peanut Butter Cup or candy bar and cut it to the size you need.

    Can I alter this recipe for peanut allergies?

    Sure, you can. Omit any candies and chips that have peanuts in them and swap for dark chocolate chips, white chocolate chips, Oreos, and holiday sprinkles.

    Can it be made gluten-free?

    This recipe will easily convert to a GF recipe. Just use a gluten-free brownie box mix, and the rest should be naturally GF. Always check labels!

    A hand holding a brownie so that you can see the top that is covered in black, orange, and white ganache along with mini peanut butter cups, peanut butter chips, Reese's pieces and candy eyeballs.

    Variations and Substitutions:

    There are so many ways you can switch up this recipe to meet the taste and holiday décor needs of your household. So, feel free to get creative and make these chewy brownies your favorite spooky dessert!

    • Colors- Add purple to the mix- or maybe green! Change up the colors of the melting chocolates and the sanding sugar to match your ghostly vibe.
    • Candies- Change out your candies to your favorites or use leftover Halloween candy! Oh- you can add in candy corn too!
    • Peanut Butter Fans- If you cannot get enough creamy peanut butter and chocolate combo- mix some peanut butter chips into your brownie batter before baking!
    • Peanut Butter Fans- If you cannot get enough creamy peanut butter and chocolate combo- mix some peanut butter chips into your brownie batter before baking!
    • Ramp Up the Flavor- Elevate the taste of these box brownies by substituting the water for milk or even chocolate milk.

    Serving Suggestions

    Chocolate peanut butter brownies with a scoop of vanilla ice cream? Sounds good to me. You can also add a dollop of homemade whipped cream to the plate with this chocolatey peanut butter dessert.

    A table set with two plates with slices of peanut butter halloween eyeball brownies set with a glass of milk.

    Storage and Reheating

    Storage:

    I love to display my confections at room temperature and under a glass cake dome.

    If you are not serving them right away, go ahead and cover with foil, plastic wrap, or place them in an airtight container with sheets of parchment between the layers of brownies. Then keep them in the refrigerator for 3 days or so.

    If you are taking these beauties to an outdoor celebration, be sure to keep them in a cooler until ready to share. You do not want the chocolates out in the sun, especially if you are in Florida, like me!

    More Fudgy Brownie Recipes

    Dying to make more brownie recipes you can turn into festive Halloween treats? Try any of these, then decorate them to match the season!

    • Frosted Chocolate Turtle Brownies
    • Oreo Brownie Poke Cake
    • Chocolate Brownie Cake Recipe
    • Touchdown Turtle Brownie Bites - Add spooky toppings or pumpkin-shaped pretzels

    Hungry for more easy, home-cooked, delicious recipes?

    Sign up for my free recipe club to get family-friendly recipes in your inbox each week! Find me sharing daily meal-time inspiration on Pinterest, Facebook, Instagram, and Twitter.

    A slice of peanut butter Halloween eyeball brownies on a white plate with a glass of milk and another slice with a bite taken out of it in the background.

    Peanut Butter Halloween Eyeball Brownies

    Author: Nikki Lee
    5 from 21 votes
    No tricks with these treats- These Halloween Peanut Butter Brownies with Eyeballs are spooky fun and so yummy with Reese’s cups and candies, your favorite brownie mix, and eyeballs-- as you can clearly see!
    Prevent your screen from going dark
    Print Save Saved! Pin Recipe Rate
    Prep Time 15 minutes mins
    Cook Time 20 minutes mins
    Total Time 35 minutes mins
    Course Desserts
    Cuisine American
    Servings 16 slices
    Calories 232 kcal

    Ingredients
      

    Brownie Ingredients

    • 1 box (18.3 ounce) Duncan Hines Chewy Fudge Brownies, (plus ingredients to make on package: 2 eggs, ¼cup water OR milk, ½ cup vegetable oil)

    Ganache Ingredients

    • ¼ cup black melting wafers
    • ¼ cup orange melting wafers
    • ¼ cup white melting wafers
    • ⅓ cup heavy whipping cream, divided (1 tablespoon + 1-¼ teaspoon per color)

    Topping Ingredients

    • ¼ cup Reese's Pieces
    • ¼ cup Reese’s Peanut Butter Cups Minis
    • ¼ cup Reese’s Peanut Butter Chips
    • orange sanding sugar
    • Candy Eyeballs, (get two different sizes)

    Instructions
     

    Brownie Instructions

    • Preheat the oven to 350° F and line a baking pan with parchment paper. This will make removing the brownies from the pan much easier.
      I used a 9x13 baking pan but you can also use an 8x8, 9x9, or 11x7 if you want a thicker brownie. Make sure to adjust the cooking time per box instructions.
    • In a large mixing bowl, prepare the brownie mix as per box instructions, being sure not to overmix. Replacing the water with milk or chocolate milk will make the brownies more flavorful.
    • Pour the brownie batter into the parchment-lined baking pan and spread evenly, being sure to fill the corners. Then place in the oven and bake as per box instructions, about 20-25 minutes, or until a wooden pick inserted into the center comes out mostly clean (with just a few crumbs). Transfer the pan to a wire rack and let it completely cool before frosting and decorating.

    Ganache Instructions

    • Heat the heavy whipping cream in the microwave or stovetop just until it starts to bubble. Spooning divided amount into each bowl (color) of melting wafers. Let it sit for about 1 minute and then stir each one until the wafers are fully melted. If you would like a thinner ganache, add more heavy whipping cream. To thicken it, add more melting wafers. Set aside.
    • Once the brownies have cooled, add drops of the different colored ganache on top and alternate the colors. You can leave it as is or create swirls and designs to mix the colors up.

    Topping Instructions

    • Scatter Reese’s chocolates and peanut butter chips on top. Then add eyeballs and orange sanding sugar. Get creative and have fun with your toppings. Enjoy!

    Video

    Nutrition

    Serving: 1 brownie Calories: 232 kcal Carbohydrates: 34 g Protein: 3 g Fat: 10 g Saturated Fat: 5 g Polyunsaturated Fat: 1 g Monounsaturated Fat: 3 g Cholesterol: 6 mg Sodium: 126 mg Potassium: 30 mg Fiber: 0.4 g Sugar: 24 g Vitamin A: 75 IU Vitamin C: 0.04 mg Calcium: 9 mg Iron: 1 mg

    Nutrition Disclaimer

    Soulfully Made is not a dietician or nutritionist, and any nutritional information shared is only an estimate. We recommend running the ingredients through an online nutritional calculator if you need to verify any information.

    Tried this recipe?Let us know how it was!
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    1. Ieva says

      September 18, 2022 at 5:00 am

      5 stars
      Fun idea! My nieces love brownies, so it's a perfect treat for them! Will definitely give it a go on Halloween!

      Reply
    2. kushigalu says

      September 18, 2022 at 1:15 am

      WOW! Such a cute treat for Halloween. I will try this recipe for my boys. Thanks for sharing.

      Reply
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    Hi, I am Nikki. Faith, family, and food are my passions! I'm a Southern cook from Florida who loves sharing food and creating memories around the table with my family and friends. Welcome to my Kitchen, where you will find delicious, home-cooked, easy recipes!

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