Pumpkin Spice Rice Krispie Treats

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When fall rolls in and the scent of cinnamon and nutmeg fills the air, I can’t help but crave all things pumpkin spice. These Pumpkin Spice Rice Krispie Treats are my go-to for a quick autumn-inspired dessert that captures the cozy flavors of the season without turning on the oven. They’re buttery, gooey, and spiced just right — a nostalgic treat with a seasonal twist.

I love how easy these are to make, and even more, how everyone raves about them. The marshmallow base melts into the pumpkin pie spice and coats the cereal perfectly, creating a chewy, flavorful bite in every square. Plus, that little drizzle of icing on top makes them feel just a bit extra — like fall dressed up in dessert form.

Why You’ll Love This Pumpkin Spice Rice Krispie Treats Recipe

These treats combine the best of both worlds: classic Rice Krispie nostalgia and warm autumn flavors. They’re:

• Quick and easy to make
• Full of fall flavor
• Great for parties, potlucks, or lunchbox surprises
• No baking required
• Customizable with different toppings or mix-ins

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What Kind of Marshmallows Work Best?

You can use either mini or regular-sized marshmallows, but I find mini marshmallows melt quicker and more evenly. Always go for fresh, soft marshmallows for the best gooey texture. Stale or dry marshmallows just don’t give you that perfect melt.

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Options for Substitutions

Want to tweak the recipe? No problem. Here are a few ways to change it up:

• Butter: Swap for vegan butter if you’re making a dairy-free version.
• Pumpkin Spice: Make your own blend with cinnamon, nutmeg, ginger, and cloves.
• Marshmallows: Use vegan marshmallows if needed, but be mindful they may melt differently.
• Drizzle: Add white chocolate instead of icing for a richer topping.
• Add-ins: Fold in crushed graham crackers or white chocolate chips for extra texture.

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Ingredients for this Pumpkin Spice Rice Krispie Treats Recipe

• Unsalted Butter – Helps melt the marshmallows smoothly and gives the treats a rich, creamy base.
• Mini Marshmallows – The essential binder that gives the treats their classic gooey texture and sweetness.
• Pumpkin Pie Spice – Brings the warm, seasonal flavors of cinnamon, nutmeg, ginger, and cloves.
• Vanilla Extract – Enhances the overall flavor with a subtle sweetness.
• Rice Krispies Cereal – The crispy foundation that adds texture and crunch to every bite.
• Powdered Sugar & Milk (for drizzle) – Combined to make a simple icing that adds an extra layer of sweetness and visual appeal.

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Step 1: Prep Your Pan

Lightly grease a 9×13-inch baking dish with butter or nonstick spray. You can also line it with parchment paper for easy removal.

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Step 2: Melt the Butter

In a large pot over medium-low heat, melt the unsalted butter. Stir occasionally to prevent browning.

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Step 3: Add Marshmallows

Add the mini marshmallows to the melted butter and stir constantly until they are completely melted and smooth.

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Step 4: Add Pumpkin Spice & Vanilla

Stir in the pumpkin pie spice and vanilla extract. Mix until fully incorporated. This step is key for infusing the fall flavors evenly.

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Step 5: Mix in the Cereal

Remove the pot from heat and immediately fold in the Rice Krispies cereal. Stir quickly and thoroughly so every piece is coated in the marshmallow mixture.

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Step 6: Press Into the Pan

Transfer the mixture to your prepared pan. Use a greased spatula or wax paper to gently press the mixture down evenly. Don’t compact too much or they’ll turn hard.

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Step 7: Cool & Drizzle

Let the bars cool completely (about 30 minutes). Mix powdered sugar with a few teaspoons of milk to make the icing drizzle. Use a spoon or piping bag to drizzle over the top.

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Step 8: Slice and Serve

Once the drizzle sets, cut into squares and serve. Store any leftovers in an airtight container to keep them fresh and chewy.

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How Long to Prepare the Pumpkin Spice Rice Krispie Treats

These treats are ideal when you’re short on time but still want to impress.

Preparation Time: Melting the butter and marshmallows and mixing everything takes about 10 minutes. It’s best to have all your ingredients measured and ready before starting.

Cooling Time: Once pressed into the pan, give them at least 30 minutes to set. If you’re in a hurry, you can speed it up by popping them in the fridge for 15 minutes.

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Tips for Perfect Pumpkin Spice Rice Krispie Treats

• Use fresh marshmallows — old ones don’t melt as smoothly and can ruin the texture.
• Stir continuously while melting to avoid burning the mixture.
• Grease your spatula or hands when pressing the mix into the pan to prevent sticking.
• Don’t overpack the mixture in the pan — pressing too hard will make them dense and tough.
• Let them cool fully before cutting to get clean, even slices.

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Watch Out for These Mistakes While Cooking

• Burning the butter: Keep the heat low and stir often.
• Adding cereal too early: Wait until the marshmallows are fully melted and smooth.
• Not mixing fast enough: The mixture sets quickly, so stir and spread immediately.
• Skipping the drizzle: It’s optional, but adds both flavor and presentation.
• Leaving them out uncovered: They dry out quickly if not stored in an airtight container.

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What to Serve With Pumpkin Spice Rice Krispie Treats?

1. Hot Apple Cider

The warm spices in cider complement the pumpkin spice flavor perfectly.

2. Vanilla Ice Cream

Serve a square of these treats with a scoop of ice cream for a warm-and-cold combo.

3. Coffee or Pumpkin Spice Latte

A cozy beverage pairing that enhances the autumn theme.

4. Whipped Cream Dip

Offer a side of sweetened whipped cream for dipping or spreading on top.

5. Chocolate Drizzle or Sauce

Serve with melted chocolate on the side for a richer, dessert-y finish.

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Storage Instructions

Room Temperature: Store the treats in an airtight container at room temp for up to 3 days. Keep them in a cool, dry spot away from direct sunlight.

Refrigerator: They can last up to a week in the fridge, though they may become firmer. Let them come to room temperature before serving for best texture.

Freezing: Yes, you can freeze them! Wrap individual bars in plastic wrap and place in a zip-top bag. Freeze up to 2 months. Thaw at room temperature before eating.

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Estimated Nutrition (per bar, approx.)

• Calories: 180
• Fat: 5g
• Saturated Fat: 3g
• Carbohydrates: 32g
• Sugar: 16g
• Protein: 1g
• Fiber: 0g
• Sodium: 90mg

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Frequently Asked Questions

Can I use pumpkin puree in this recipe?

No, adding puree introduces moisture that can make the treats soggy. Stick to dry pumpkin pie spice.

Can I make these treats vegan?

Yes! Use vegan marshmallows and plant-based butter. Be mindful of ingredient labels.

Can I double the recipe?

Absolutely. Just use a larger pan or divide into two pans to keep the same thickness.

Are these gluten-free?

They can be! Make sure to use certified gluten-free rice cereal and marshmallows.

Can I add food coloring for a more orange look?

Yes, a drop or two of orange gel food coloring can enhance the festive appearance.

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Conclusion

Pumpkin Spice Rice Krispie Treats are the ultimate no-bake dessert for the fall season. Whether you’re making them for a Halloween party, Thanksgiving snack table, or just a cozy evening treat, they deliver nostalgic texture with a cozy, spiced twist. Simple, crowd-pleasing, and endlessly customizable — it’s a recipe you’ll return to every autumn!

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