Pumpkin Fluffernutter Bars

16 Servings
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes

Pumpkin Fluffernutter Bars are the perfect mix of peanut butter brownie, marshmallow filling and all things pumpkin and fall flavored. Best back to school snack ever.

Pumpkin Fluffernutter Bars are the perfect mix of peanut butter brownie, marshmallow filling and all things pumpkin and fall flavored. Best back to school snack ever.

Pumpkin Fluffernutter Bars are the perfect bar for the rapidly arriving fall season and the beginning of ALL THINGS PUMPKIN on the blog. These bars are gooey, pumpkiny (hey, on this blog that’s a word autcorrect) and perfectly peanut buttery. Plus they’re made with Pumpkin Spice Peanut Butter from Peanut Butter and Co. who so generously sponsored this post.

Peanut Butter and Co. was founded in 1998 and while their website is ilovepeanutbutter.com they should’ve made it we’repeanutbuttermagicians.com because they have the most amazing flavors of peanut butter you will ever eat. Our personal favorite is White Chocolate Wonderful, but this Pumpkin Spice Peanut Butter is their most popular flavor and it sells out every year. So get your orders in early and go to your local grocery stores now!

Peanut Butter and Company peanut butter in these delicious Pumpkin Fluffernutter Bars!

I talk a lot on the blog about ingredients, good swaps and when you want to use specific products so it seems only fair we would discuss what makes Peanut Butter and Co. so special. From their site:

Peanut Butter & Co.’s line of Non-GMO Project Verified peanut butter contains no hydrogenated oils, no cholesterol, no trans-fats and, no high fructose corn syrup. Our flavors are gluten-free, vegan (except for The Bee’s Knees which is vegetarian), and certified kosher. Lastly, but just as importantly, we only use USA-grown peanuts in our peanut butter.

Also, the Pumpkin Spice Peanut Butter has actual pumpkin in it.

These Pumpkin Fluffernutter Bars are AMAZING. Perfect to kick off pumpkin season!

So of course all that delicious natural goodness needs to get mixed with homemade marshmallow fluff and baked into delicious Pumpkin Fluffernutter Bars.

I use a recipe for homemade marshmallow fluff in this recipe but you can swap for premade and these bars can be made in no time at all. Plus with the pumpkin spice flavor built into the peanut butter you’ll LOVE how easy these bars are.

Looking for more bar recipes?

Awesome alternate uses for this Pumpkin Spice Peanut Butter?

  • Use is as a sandwich cookie filling between two sugar cookies.
  • Swirl it into your favorite cheesecake recipe and bake for the easiest flavored cheesecake ever.
  • Add it to the filling of a chocolate peanut butter lava cake for the easiest and fanciest upgrade.
  • Make the best pb&j with it paired with blueberry jam. Pumpkin and blueberries go together great!

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Pumpkin Fluffernutter Bars

Pumpkin Fluffernutter Bars are the perfect mix of peanut butter brownie, marshmallow filling and all things pumpkin and fall flavored. Best back to school snack ever.
Yield 16 Servings
Prep Time 20 minutes
Cook Time 30 minutes
Total Time 50 minutes
Course Dessert
Cuisine American
Author Sabrina Snyder

Ingredients
 

MARSHMALLOW FLUFF

  • 1/4 cup + 2 tablespoons water
  • 3/4 cup granulated sugar
  • 3/4 cup light corn syrup
  • 3 large egg whites
  • 1/2 teaspoon cream of tartar
  • Pinch salt
  • 2 teaspoons pure vanilla extract

PEANUT BUTTER BARS

Instructions

TO MAKE THE MARSHMALLOW FLUFF:

  • In a saucepan add the water, sugar and corn syrup and over medium high heat cook until it reaches 240 degrees (about 10-12 minutes).
  • In a stand mixer add the egg whites until they start to foam, then add in the cream of tartar and salt and beat to soft peaks (the very top of the peak falls).
  • When the egg whites are ready and the sugar reaches 240 degrees turn off the heat and wait 30 seconds.
  • Add the sugar to the stand mixer while it is running on high speed in a very thin stream.
  • Beat on high heat for 5-6 minutes until the bowl is no longer warm at all.
  • Refrigerate until you’re ready to make the bars.

TO MAKE THE PUMPKIN FLUFFERNUTTER BARS:

  • Preheat the oven to 350 degrees and spray an 8×8 baking pan with baking spray.
  • In a stand mixer dd the butter, brown sugar, egg and vanilla.
  • Beat on high until fluffy.
  • Add in the peanut butter and beat until combined.
  • Add in the salt and flour and beat until just combined.
  • Spread half the batter into the bottom of the pan.
  • Bake for 15 minutes.
  • Let cool for five minutes in the fridge.
  • Scoop the marshmallow fluff randomly across the pan in large dollops.
  • Spread small clusters of the remaining batter in between the dollops of marshmallow fluff.
  • Bake an additional 15-18 minutes.
  • Cool completely before cutting into 16 squares.

Notes

If you don't want to make your own marshmallow fluff you can substitute with one canister of pre-made marshmallow fluff. The recipe above makes 2 cups.

Nutrition

Calories: 324kcal | Carbohydrates: 45g | Protein: 6g | Fat: 14g | Saturated Fat: 5g | Cholesterol: 25mg | Sodium: 175mg | Potassium: 161mg | Fiber: 1g | Sugar: 36g | Vitamin A: 190IU | Calcium: 25mg | Iron: 0.9mg
Keyword: Pumpkin Fluffernutter Bars

The perfect afterschool snack, these Pumpkin Fluffernutter bars are AMAZING.

 

These Pumpkin Fluffernutter Bars are AMAZING. Perfect to kick off pumpkin season!
Pumpkin Fluffernutter Bars are the perfect mix of peanut butter brownie, marshmallow filling and all things pumpkin and fall flavored. Best back to school snack ever.
The perfect afterschool snack, these Pumpkin Fluffernutter bars are AMAZING.

About the Author: Sabrina Snyder

Sabrina is a professionally trained Private Chef of over 10 years with ServSafe Manager certification in food safety. She creates all the recipes here on Dinner, then Dessert, fueled in no small part by her love for bacon.

Sabrina Snyder is a professionally trained personal and private chef of over 10 years who is the creator and developer of all the recipes on Dinner, then Dessert.

She is also the author of the cookbook Dinner, then Dessert – Satisfying Meals Using Only 3, 5 or 7 Ingredients, published by Harper Collins.

She started Dinner, then Dessert as a business in her office as a lunch service for her coworkers who admired her lunches before going to culinary school and becoming a full time personal chef and private chef.

As a personal chef Sabrina would cook for families one day a week and cook their entire week of dinners. All grocery shopping, cooking and cleaning was done along with instructions on reheating. As a private chef she cooked for private parties and cooked in family homes in the evenings for families on a nightly basis after working as a personal chef during the day.

Sabrina has been certified as a ServSafe Manager since 2007 and was a longstanding member of the USPCA Personal Chef Association including being on the board of the Washington DC Chapter of Chefs in the US Personal Chef Association when they won Chapter of the year.

As a member of the community of food website creators Sabrina Snyder has spoken at many conferences regarding her experiences as a food writer including the Indulge Food Conference, Everything Food Conference, Haven Food Conference and IACP Annual Food Professionals Conference.

Sabrina lives with her family in sunny California.

Dinner, then Dessert, Inc. owns the copyright on all images and text and does not allow for its original recipes and pictures to be reproduced anywhere other than at this site unless authorization is given. If you enjoyed the recipe and would like to publish it on your own site, please re-write it in your own words, and link back to my site and recipe page. Read my disclosure and copyright policy. This post may contain affiliate links.

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Comments

  1. just so you know we in new england have a product called marshmallow fluff it comes in a jar or plastic container. and we have a sandwich called fluffernutter. fluff and peanutbutter on white bread.

  2. I love Peanut Butter and Co products. But I’ve still never tried Pumpkin Spice Peanut Butter! This is will be on my next to do list for this autumn!

  3. These look so ooey gooey. I love to make fluffernutter bars but never thought of using pumpkin peanut butter. Great idea!

    1. If you click on the link in the post, their website pops up and they have a store locater. Just type in your zip code and it’ll show you retailers around you that carry their product….easy peasy!

      1. The store locator didn’t pop up with a zip code option, just 2 websites that were $16+ for 1 jar. Amazon shows the product at a good price but unavailable. PB&Co site has a good price and it’s available, but shipping for 2 jars is more expensive than the 2 jars! Any other options for this recipe? I have 2 church groups that would love this dessert. Thanks!

        1. It’s a pumpkin spice peanut butter. PB&Co is the best tasting that I’ve had, but I’m sure there might another brand that would be good.