Pumpkin Spice Rice Krispies Treats are a cozy fall twist on the classic marshmallow cereal treat. Made with real pumpkin purée, warm cinnamon, nutmeg, allspice, and plenty of gooey marshmallows, these easy treats have just the right balance of sweetness and seasonal spice.
They’re simple enough for an afternoon snack but festive enough for autumn parties, Halloween gatherings, or Thanksgiving dessert tables.
Why You’ll Love This Recipe
These pumpkin Rice Krispie treats combine everything you love about the classic version with warm fall flavor. The pumpkin purée adds seasonal character without overpowering the buttery marshmallow base, while cinnamon, nutmeg, and allspice create that familiar pumpkin-spice aroma.
They’re also incredibly simple and family-friendly. There’s no complicated baking involved, and most of the preparation happens in one pot. The extra mini marshmallows folded into the mixture add little pockets of soft, chewy sweetness.
Ingredients
- 3 tablespoons unsalted butter, plus more for greasing
- 1/4 cup pumpkin purée
- 1 (10-ounce) bag mini marshmallows
- 1 cup mini marshmallows, reserved
- 1/4 teaspoon vanilla extract
- 1/4 teaspoon ground cinnamon
- Pinch of ground allspice
- Pinch of freshly grated nutmeg
- Pinch of kosher salt
- 6 cups crispy rice cereal
Instructions
- Lightly grease a 9×13-inch baking dish with butter and set it aside.
- Melt the butter in a large pot or Dutch oven over medium-low heat. Add the pumpkin purée and cook briefly, stirring, until warmed through.
- Add the 10-ounce bag of mini marshmallows. Stir frequently over medium-low heat until the marshmallows are almost completely melted and the mixture is smooth.
- Stir in the vanilla extract, cinnamon, allspice, nutmeg, and salt. Remove the pot from the heat.
- Allow the marshmallow mixture to cool for about 10 minutes. Stir in the remaining 1 cup of mini marshmallows.
- Leave the mixture to cool to room temperature for another 20–25 minutes. This cooling period is important because adding cereal while the pumpkin mixture is too warm can make the treats soggy.
- Add the crispy rice cereal and gently fold with a silicone or rubber spatula until evenly coated. Avoid crushing the cereal as you mix.
- Transfer the Pumpkin Spice Rice Krispies Treats mixture to the prepared baking dish. Gently press it into an even layer without packing it too firmly.
- Let the treats set for about 30 minutes before slicing into squares and serving.
Tips & Tricks
Letting the pumpkin-marshmallow mixture cool before adding the cereal is one of the most important steps. Pumpkin contains extra moisture, and mixing everything while hot can produce soft or soggy fall Rice Krispie treats.
Use pure pumpkin purée rather than pumpkin pie filling, which already contains sweeteners and spices. For extra pumpkin-spice flavor, you can add a small pinch of ground ginger or cloves.
When pressing the mixture into the pan, use a lightly buttered spatula or a piece of parchment paper. Press gently rather than firmly so the finished treats stay light and chewy.
Fresh marshmallows also melt more smoothly than older ones, so a fresh bag will usually give these pumpkin marshmallow treats the best texture.
Details
Prep Time: 15 minutes
Cook Time: 10 minutes
Cooling & Setting Time: 60 minutes
Total Time: 1 hour 25 minutes
Yield: About 12–16 treats
Category: Dessert, Snack
Method: Stovetop, No-Bake
Cuisine: American
Difficulty: Easy
Dietary Notes: Vegetarian, halal-friendly when using halal-certified marshmallows
Notes
For a stronger fall flavor, add a small amount of pumpkin pie spice alongside the cinnamon. You can also drizzle the finished squares with melted white chocolate for a sweeter dessert.
For Halloween Rice Krispie treats, cut the mixture into smaller squares or festive shapes after it has fully set.
Because marshmallows can contain animal-derived gelatin, choose halal-certified marshmallows if preparing this recipe according to halal dietary requirements.
Nutrition
Approximate nutrition per serving when divided into 16 pieces:
Calories: 130–150
Protein: 1–2 g
Carbohydrates: 27–30 g
Fat: 3–4 g
Nutritional values are estimates and will vary depending on the brands and serving sizes used.
FAQ
Can you put pumpkin in Rice Krispie treats?
Yes. Pumpkin purée adds moisture, color, and subtle pumpkin flavor. The key is using a modest amount and allowing the marshmallow-pumpkin mixture to cool before adding the cereal.
Why are my pumpkin Rice Krispie treats soggy?
The most likely reason is excess moisture or adding the cereal while the pumpkin-marshmallow mixture is still too warm. Letting the mixture cool to room temperature helps maintain a better texture.
Can I use pumpkin pie filling instead of pumpkin purée?
Pure pumpkin purée is recommended. Pumpkin pie filling contains additional sugar and spices that can change both the sweetness and consistency of the recipe.
Can I use pumpkin pie spice?
Yes. A little pumpkin pie spice can replace or complement the individual spices. Start with a small amount and adjust according to your preferred flavor.
Are Pumpkin Spice Rice Krispies Treats no-bake?
Yes. They are an easy no-bake pumpkin dessert because the mixture is prepared on the stovetop and then left to set rather than baked in the oven.
Can I make these fall Rice Krispie treats ahead of time?
Yes. They can be prepared ahead and stored in an airtight container once completely cooled and set. For the best chewy texture, serve them within a couple of days.
Storage
Keep the treats in an airtight container at room temperature for about 2–3 days for the best texture. Separate layers with parchment or wax paper to prevent sticking.
Refrigeration is generally unnecessary and may make the cereal treats firmer. If you do refrigerate them, let them return toward room temperature before serving.
For longer storage, individually wrap the squares and freeze them in a freezer-safe container for up to about 4–6 weeks. Thaw at room temperature before serving. These treats do not need reheating.
Similar Recipes
easy Pumpkin Spice Rice Krispies Treats
Ingredients
- 3 tablespoons unsalted butter plus more for greasing
- 1/4 cup pumpkin purée
- 1 10-ounce bag mini marshmallows
- 1 cup mini marshmallows reserved
- 1/4 teaspoon vanilla extract
- 1/4 teaspoon ground cinnamon
- Pinch of ground allspice
- Pinch of freshly grated nutmeg
- Pinch of kosher salt
- 6 cups crispy rice cereal
Instructions
- Lightly grease a 9×13-inch baking dish with butter and set it aside.
- Melt the butter in a large pot or Dutch oven over medium-low heat. Add the pumpkin purée and cook briefly, stirring, until warmed through.
- Add the 10-ounce bag of mini marshmallows. Stir frequently over medium-low heat until the marshmallows are almost completely melted and the mixture is smooth.
- Stir in the vanilla extract, cinnamon, allspice, nutmeg, and salt. Remove the pot from the heat.
- Allow the marshmallow mixture to cool for about 10 minutes. Stir in the remaining 1 cup of mini marshmallows.
- Leave the mixture to cool to room temperature for another 20–25 minutes. This cooling period is important because adding cereal while the pumpkin mixture is too warm can make the treats soggy.
- Add the crispy rice cereal and gently fold with a silicone or rubber spatula until evenly coated. Avoid crushing the cereal as you mix.
- Transfer the Pumpkin Spice Rice Krispies Treats mixture to the prepared baking dish. Gently press it into an even layer without packing it too firmly.
- Let the treats set for about 30 minutes before slicing into squares and serving.
Notes
Conclusion
Pumpkin Spice Rice Krispies Treats turn a familiar childhood favorite into an easy fall dessert filled with pumpkin, warm spices, and gooey marshmallow goodness. They require only a handful of ingredients and no oven, making them especially convenient for busy autumn days.
Give the mixture enough time to cool before adding the cereal, and you’ll have chewy, crisp pumpkin spice treats ready for family snacks, fall parties, Halloween celebrations, or a simple seasonal dessert.