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BOO! Chocolate Peanut Butter Bars. You don’t need to be a professional baker to make these deliciously easy homemade Halloween treats. These spooky bars require no oven time, just 7 ingredients, are made without processed sugar, and take almost no effort to make. They’re fun to make no matter your age and you really can’t mess them up!
BOO! I’m so excited! I just love these bars! I make these fun, easy peanut butter bars almost every October. We really love them – both their deliciousness and just how fun and easy they are to create.
This is one of those years where I’m really leaning into the fun Halloween recipes. For whatever reason, there are years when I don’t share as many spooky-themed recipes. But this year, I’m loving every minute. It’s an excuse to have fun and just let the kid in me shine. I think we all need to allow the kid in us to shine a little more these days!
Here are the details
As mentioned, these are made using 7 ingredients, so they’re pretty darn easy. In fact, they’re very similar to my mom’s special K-bar recipe, just made in a fun way for Halloween.
You’ll need honey, maple syrup, creamy peanut butter (I prefer to use organic, no sugar added), chocolate, and white chocolate. That’s it, and no added sugar aside from what’s in the chocolate.
To begin with, grab some corn flakes and brown rice krispies. I love the texture, crunch, and chew of these cereals together. Add the corn flakes and brown rice krispies to a bowl along with the creamy peanut butter.
Boil the honey and maple together. I use honey and maple syrup together for added flavor and the best texture. Boil the mix for 2 minutes, then pour it over the bowl full of cereal and peanut butter. Mix everything together until all is evenly coated.
Spread the mix out into a baking dish, then throw it in the fridge while you melt the chocolate.
For the peanut butter, I recommend using an organic, no-sugar-added peanut butter – as in just peanuts and sea salt. No Jiff, or any other kinds of no-stir peanut butter that contains oil and/or sugar. You just want natural peanut butter. This will give you the best flavor and texture. But I mean, of course, if all you have is Jiff or Skippy, it all works!
Melt the chocolate, then pour it over the bars and spread it out in an even layer.
Take the melted white chocolate (use high quality, trust me it makes a difference) and dollop it over the chocolate in teaspoon and tablespoon sizes. Next, use a skinny skewer or the end of a skinny spoon and gently pull the white chocolate down to create a “ghost” shape. Then use mini candy eyes or sprinkles for the eyes.
Then just chill and cut the bars into awkward-shaped.
The secret to success with these bars is to not stress about making them perfect. The more imperfect the spookier they look.
Over the years I’ve learned to love and embrace the “imperfect” look. The awesome thing about Halloween treats is that the more imperfect they look, the better.
It’s all about that messed up, spooky vibe, so embrace the imperfections here. No one ghost should look like another.
You can pack them up and take them to the school Halloween party. Or serve them up at your adult-filled Halloween bash.
Whatever route you go, these ghostly bars will be loved.
Looking for other Halloween cookies? Here are my favorites:
“I put a Spell on You” Poison Apple Martini
Black Widow Peanut Butter Bars
Hocus Pocus Spellbook Brownies
BOO! Chocolate Peanut Butter Bars
Milk Chocolate Stuffed Jack-O’-Lantern Cookies
Lastly, if you make these BOO! Chocolate Peanut Butter Bars, be sure to leave a comment and/or give this recipe a rating! Above all, I love to hear from you guys and always do my best to respond to each and every comment. And of course, if you do make this recipe, don’t forget to tag me on Instagram! Looking through the photos of recipes you all have made is my favorite!
BOO! Chocolate Peanut Butter Bars
Servings: 24 bars
Calories Per Serving: 1642 kcal
Nutritional information is only an estimate. The accuracy of the nutritional information for any recipe on this site is not guaranteed.
Ingredients
- 3/4 cup honey
- 1/4 cup maple syrup
- 1 1/4 cups creamy peanut butter
- 3 cups corn flakes cereal
- 2 cups brown rice krispies
- 8-12 ounces semi-sweet or dark chocolate, melted
- 6 ounces white chocolate, melted
- candy eyes and black sprinkles, for decorating
Instructions
- 1. 1. Line a 9×13 inch baking dish with parchment paper. 2. In a large bowl, combine the corn flakes, brown rice krispies, and 1 cup peanut butter.3. In a pot, combine the honey and maple syrup. Bring to a boil over medium heat. Cook 2 minutes, then remove from the heat and pour the mix into the corn flake/peanut butter bowl and stir well. Spread the mixture out into the prepared pan, packing it in tightly. Place in the fridge for 15 minutes.4. Meanwhile, melt together the chocolate and 1/4 cup peanut butter in the microwave. Spread the mix over the corn flake mix.5. Melt the white chocolate, then spoon a small dollop (1 teaspoon for small ghosts and 1 tablespoon for large ghosts) of white chocolate onto the chocolate, making sure each ghost is 1 inch apart from the other. Using a wooden skewer or the end of a skinny spoon, gently drag the white chocolate into a ghost shape, don't worry about making these perfect, the more imperfect they look, the better. 6. Insert 2 mini candy eyes. Return to the fridge to set, about 15 minutes, cut around the ghost, creating irregular shapes. Keep in the fridge until ready to serve. BOO!
these are adorable!! and yummy!
Thank you Ruth!
This recipe in your cookbook calls for an additional 1/2 cup sugar. Why is it omitted here?
Thanks
HI! I don’t feel the additional 1/2 cup of sugar is needed. Please let me know if you have any other questions. I hope you love this recipe. Thanks so much! xTieghan
DO you think they would work with rice crispies?
I do! Use an equal amount or up to 1 cup more rice krispies since they are a bit smaller in size. Please let me know if you have any other questions. I hope you love this recipe. Thanks so much! xTieghan
This looks delish! I always make a cute Halloween treat for my kids and this will be it this year! If you were to use Rice Krispies instead, would you use the same measurements?
Hi! I would probably use close to 7 cups rice krispies since rice krispies are a bit smaller in size, but just add more as needed until you feel like you have a good peanut butter to cereal ratio. Please let me know if you have any other questions. I hope you love this recipe. Thanks so much! xTieghan
Hello!!
These look so cute and so good I really want to try making these!! I was wondering though how did you get the chocolate to harden? I was thinking when I made your brownies with chocolate peanut butter and rice crispys the chocolate layer never hardened and stayed fudge like, even when I put it in the fridge. Is it suppose to be a hardened chocolate layer? How do I make sure I achieve and that and not a poor attempt for fudge? Thank you!
HI! Hmm, that is so odd. I have never had my chocolate not harden up, especially once chilled. What kind of chocolate are you using? Are you mixing anything into the chocolate that might cause it to not harden? Hope I can help and sorry for the trouble!
I am soo making these!
Thank you Aubrey!
OOOOOOOW this is the cutest thing! and you know what I love? That they look adorable but also realistic to make, I´m always frustrated when I can’t do the pristine decorations on some treats. Plus, they look delicious!
Thank you so much Dan! I am so glad you like these bars!
I LOVE this! They remind me of rice krispies treats, only 100x more delicious!
Thank you Christina!
This is SO clever – I love how it turned out!!
Rebecca | http://www.peppermintdolly.com
Thank you Rebecca!
These are super adorable and actually look doable! Love the pictures and styling too.
Thank you so much Stephanie! I am so glad you like this and hope you try these!
I love this! You make some me great stuff, but this just might be my fav!
Thank you so much Ally!
hey girl- these bars look so yummy! have a great weekend!
Thank you! I hope you have a great weekend as well!
Love these!!!
Thank you Meg!
This is soooooooo cute!! Love your Halloween recipes. They look easy to make, yet they are so creative and so cute. Thanks for sharing 🙂
Thank you Maja! I am so glad you like this and hope they turn out amazing for you!
Classic flavor combination, displayed in a deliciously festive manner. And please, your skills are flawless! It IS one of your talents 🙂
Thank you so much Liz!