Pumpkin Spice Smores Bars with Pumpkin Puree

Golden-brown toasted marshmallows on pumpkin spice smores with melted chocolate and crisp graham crackers.
Pumpkin Spice Smores in 40 Minutes
By Elowen Hartley
The trick to these bars is the pre baked crust, which keeps the moisture of the Pumpkin Spice Smores from making the bottom soggy. It's a brilliant mix of toasted marshmallow and earthy pumpkin.
  • Time: 15 min active + 25 min baking
  • Flavor/Texture Hook: Gooey toasted tops with a shattering graham base
  • Perfect for: Autumn get togethers or a cozy night in

Right then, imagine that first smell when you open the oven. You get that hit of toasted sugar and warm cinnamon, and suddenly your whole kitchen feels like a cozy cabin. I've always loved the classic campfire treat, but the autumn version just feels more right.

The real magic here is the pumpkin puree. I've tried using pre made pumpkin pie filling in the past, but it's way too sweet and makes the bars wobbly. Pure puree gives you that earthy, rich base that actually lets the chocolate and spices shine.

These Pumpkin Spice Smores are all about contrast. You have the crunch of the graham, the velvety pumpkin custard, and that charred, sticky marshmallow top. It's stunning on a platter and even better when you're eating them warm.

Quick Look at the Pumpkin Spice Smores

Let's talk timing. This recipe is efficient, so you won't be stuck in the kitchen all day. The total time is 40 minutes, consisting of 15 minutes of active prep and 25 minutes of baking. It's a quick way to capture those autumn feels without any fuss.

Because this recipe yields 24 bars in a 9x9 inch pan, they are the ideal size for a party. The pumpkin puree keeps the bars moist, and the bittersweet chocolate chunks provide a rich contrast to the sugar. Make sure to add a pinch of flaky sea salt at the end for the perfect finish.

What You'll Need for These Bars

The base should be buttery and hold its shape. Using high-quality graham crackers ensures a classic flavor, while the addition of brown sugar allows the crust to caramelize in the oven.

Pure pumpkin puree is essential for the filling. Avoid using pumpkin pie filling, as it will make your Pumpkin Spice Smores too soft to cut cleanly. Bittersweet chocolate chunks work best here since they balance the pumpkin without overpowering it.

Ingredients List

  • 1.5 cups graham cracker crumbs
  • 6 tbsp unsalted butter, melted
  • 2 tbsp brown sugar
  • 0.25 tsp salt
  • 1 cup pumpkin puree Why this? Pure puree controls moisture and adds earthy depth
  • 0.5 cup dark brown sugar
  • 1 large egg
  • 1 tsp vanilla extract
  • 1.5 tsp pumpkin pie spice
  • 0.5 cup all purpose flour
  • 0.5 tsp baking powder
  • 1 cup bittersweet chocolate chunks Why this? Cuts through the sweetness of marshmallows
  • 2 cups mini marshmallows
  • Flaky sea salt

Substitution Guide

Original IngredientSubstituteWhy It Works
Graham Cracker CrumbsBiscoff CrumbsComparable texture. Note: Adds a spiced, caramelized taste
Bittersweet ChocolateWhite ChocolateCreamy alternative. Note: Results in a much sweeter bar
Unsalted ButterCoconut Oil (melted)Similar fat levels. Note: Brings a subtle coconut aroma

Gear for the Job

A basic 9x9 inch baking pan is all you'll need. Lining the pan with parchment paper is a great tip; it allows you to lift the entire batch of Pumpkin Spice Smores out for effortless slicing without the bars clinging to the sides.

For the batter, a medium mixing bowl paired with a whisk or hand mixer is sufficient. Using an offset spatula helps you spread the pumpkin layer smoothly, though a regular spoon also works if you're patient.

Fresh vs Shortcut Comparison

FeatureFresh PureePie Filling
MoistureLow, helps it setHigh, creates sogginess
FlavorEarthy and balancedToo sweet, tastes artificial

Making Your Pumpkin Spice Smores

Time to get started. The sequence of steps is crucial; by baking the crust first, you create a seal that keeps your Pumpkin Spice Smores from getting a soggy bottom.

1. Forming the Crust

Get your oven ready at 350°F (175°C). Stir the graham cracker crumbs, brown sugar, salt, and melted butter together in a bowl. Press the mixture firmly into a 9x9 inch parchment lined pan.

Bake for 8 minutes until the edges are golden and fragrant.

2. Preparing the Pumpkin Mix

Cream the dark brown sugar and pumpkin puree in a medium bowl until the texture is smooth. Beat in the vanilla extract and egg until the batter is thick and glossy.

3. Incorporating Dry Ingredients

Fold in the flour, baking powder, and pumpkin pie spice. Stir only until combined; overmixing will result in a tough texture rather than a tender one for your Pumpkin Spice Smores.

4. Creating the Layers

Spread the pumpkin batter evenly across the pre-baked crust. Press the bittersweet chocolate chunks deep into the mix so they stay encased and don't float to the top.

5. Toasting the Top

Cover with a layer of mini marshmallows. Bake for 15-18 minutes until the marshmallows are puffed and golden brown. Immediately sprinkle with flaky sea salt after removing from the oven.

Why These Bars Feel Just Right

Neatly stacked treats on a rustic platter, featuring gooey white marshmallow and a hint of orange spiced filling.

The trick is all in the moisture barrier. Baking the crust for 8 minutes creates a toasted seal that stops the pumpkin filling from soaking into the graham crumbs.

The balance of dark brown sugar and bittersweet chocolate keeps the Pumpkin Spice Smores from being cloying. The baking powder adds just enough lift so the pumpkin layer feels like a dense custard rather than a heavy cake.

What Each Ingredient Does

ComponentPurposeSubstitute Notes
Pumpkin PureeProvides structure and flavorCanned is fine, just avoid "filling"
Dark Brown SugarAdds molasses notes and moistureLight brown sugar works, but less depth
Baking PowderCreates a slight lift in the custardAvoid using baking soda alone

Saving Your Smores from Disaster

Even the best home cooks hit a snag. The most common issue with Pumpkin Spice Smores is the marshmallow timing. If you leave them in too long, they go from golden to burnt in about thirty seconds. Keep a close eye on them during the last 3 minutes.

Another common problem is the bars falling apart when you cut them. This usually happens because they're too hot. Let them cool completely, or even chill them for an hour, to get those clean, sharp edges.

Fixing a Soggy Bottom

If the crust feels soft, it's usually because the pre bake was skipped or too short. Ensure the base is baked for the full 8 minutes to set the butter and sugar.

Stopping Marshmallow Burn

Marshmallows brown quickly. If your oven runs hot, move the pan to the middle rack or tent the top loosely with foil for the last few minutes.

Dealing with Sticky Cuts

Cutting warm bars is a nightmare. Use a sharp knife and wipe it clean with a damp cloth between every single cut.

ProblemFix
Mushy crustPre bake for 8 mins at 350°F
Burnt toppingWatch closely after 15 mins
Crumbling barsChill in the fridge before slicing

Keeping Your Treats Fresh

While delicious immediately, these treats store beautifully. Keep your Pumpkin Spice Smores sealed in a container. They remain perfect in the refrigerator for roughly 4 days, where the chill gives the pumpkin layer a fudgy consistency.

For longer storage, you can freeze the bars for as long as 2 months. Simply wrap each piece in parchment paper before placing them into a freezer safe bag. To enjoy, allow them to thaw in the fridge or warm them in the oven for a few minutes.

To make use of any remaining pumpkin puree from the can, freeze it using ice cube trays. These frozen portions are perfect for blending into morning smoothies or saving for your next round of Pumpkin Spice Smores.

Ways to Tweak the Recipe

Feel free to customize this recipe to suit your taste. For added texture, mix a half cup of chopped walnuts or pecans into the graham cracker crust. This creates a nutty, toasted element that complements the cinnamon perfectly.

To make these even more indulgent, replace the bittersweet chocolate with white chocolate. This version is noticeably sweeter and captures a similar essence to my pumpkin white chocolate truffles.

If you need a gluten-free version, simply substitute gluten-free graham crackers and a 1:1 GF flour blend. Thanks to the moisture and structure provided by the pumpkin puree, the texture remains nearly the same.

Goal Based Adjustments

GoalWhat to change
More chocolateAdd 1/4 cup more chunks
Less sweetUse 70% dark chocolate
Nutty crunchAdd 1/2 cup chopped pecans to crust

Plating and Pairing Your Bars

For a stunning presentation, serve these Pumpkin Spice Smores on a wooden board. Pair them with a hot cup of cider or a strong espresso to balance the sweetness. The bitterness of the coffee makes the pumpkin spices pop.

If you're hosting a full autumn dessert spread, these bars are a great companion to a pumpkin spice latte pie. The different textures - the creamy pie and the gooey bars - make the platter feel sophisticated.

The Autumn Platter

Try serving the bars with sliced crisp apples and a dollop of whipped cream on the side. The acidity of the apples cuts through the richness of the chocolate and marshmallows, making the whole experience feel balanced.

Reheating Tips

If you've stored your Pumpkin Spice Smores in the fridge, you can bring back the gooeyness with a quick zap in the microwave. 10 to 15 seconds is all it takes to make the chocolate melt again and the marshmallows soften.

Right then, that's it. You've got the guide to making some truly stunning Pumpkin Spice Smores. Just remember to watch those marshmallows and don't rush the cooling process. Happy baking!

Recipe FAQs

What marshmallows work best for these bars?

Use mini marshmallows for an even melt. They cover the pumpkin layer more consistently than larger ones.

How to make these s'mores more gourmet?

Sprinkle flaky sea salt over the toasted marshmallows. You can also swap graham crackers for Biscoff crumbs for a caramelized depth.

What flavor does the pumpkin pie spice add?

It adds a warm, aromatic blend of seasonal spices. This creates the classic autumn taste associated with pumpkin treats.

Is it true that only graham crackers work for the base?

That's a myth. Biscoff crumbs provide a similar texture with a more spiced, caramelized profile.

Can I substitute the bittersweet chocolate?

Swap it for white chocolate if you prefer a creamier, sweeter contrast.

Where can I find more simple pumpkin treats?

Try making some pumpkin thumbprint cookies for another quick dessert. These use similar flavor profiles but offer a different texture.

Why should I use dark brown sugar in the filling?

Dark brown sugar adds a rich molasses note that complements the pumpkin puree. It provides a deeper sweetness than regular granulated sugar.

Pumpkin Spice Smores Bars

Pumpkin Spice Smores in 40 Minutes Recipe Card
Pumpkin Spice Smores in 40 Minutes Recipe Card
Preparation time:15 Mins
Cooking time:25 Mins
Servings:24 bars
Category: DessertCuisine: American
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Ingredients:

Instructions:

Nutrition Facts
Per serving
Calories
133 kcal
% Daily Value*
Total Fat 6.1g
Sodium 85mg
Total Carbohydrate 17.1g
   Dietary Fiber 0.6g
   Total Sugars 12.5g
Protein 1.8g
* Percent Daily Values are based on a 2,000 calorie diet.
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