Desserts
This Rice Krispie pumpkin pie recipe merges two beloved desserts into one irresistible treat—creamy spiced pumpkin filling meets crispy Rice Krispie clusters in every bite. 🍂 The secret lies in balancing textures: a velvety pumpkin base infused with warm cinnamon and nutmeg, topped with a crunchy layer of melted marshmallow and cereal.
Perfect for fall gatherings or holiday tables, this pie delivers all the cozy flavors of pumpkin pie with the nostalgic crunch of Rice Krispie treats.
The recipe starts with a classic graham cracker crust, then combines a rich pumpkin filling with a hidden layer of crushed Rice Krispie treats mixed into the marshmallow topping. Baking at 350°F for 45-50 minutes ensures the filling sets perfectly while keeping the cereal clusters crispy.
The result? A pie that’s as visually stunning as it is delicious—golden edges, smooth pumpkin filling, and pockets of buttery cereal throughout.
What makes this pie truly special is how the flavors and textures play together: the warm spices of pumpkin pie contrast beautifully with the sweet, marshmallow-kissed crunch of Rice Krispies.
Each slice offers a harmonious blend of creamy, spiced filling and crispy clusters, making it a crowd-pleaser that’s sure to disappear quickly. Whether served at Thanksgiving or as a seasonal dessert, this fusion pie is a game-changer for any dessert menu.
For best results, let the pie cool completely before slicing to ensure clean cuts and maximum crunch. Garnish with whipped cream or a sprinkle of cinnamon for extra flair. This recipe is foolproof and delivers restaurant-quality results with minimal effort—ideal for both beginners and experienced bakers alike.
Ingredients for rice krispie pumpkin pie
Eight servings of nostalgic crunch meet velvety pumpkin spice in this fall favorite.
| Ingredient | Amount | Notes |
|---|---|---|
| Graham Cracker Crust 🍪 | 1 package | Crushed into fine crumbs |
| Canned Pumpkin Puree 🎃 | 15 oz | Not pumpkin pie filling |
| Large Eggs 🥚 | 2 whole | Room temperature preferred |
| Granulated Sugar 🍚 | 1 cup | White or light brown |
| Light Corn Syrup 🍯 | ½ cup | Or honey for depth |
| Unsalted Butter 🧈 | ½ cup | Melted, full-fat |
| Ground Cinnamon 🌿 | 2 tsp | Freshly ground preferred |
| Ground Nutmeg 🌶️ | ½ tsp | Freshly grated |
| Ground Ginger 🌿 | ½ tsp | Or 1 tsp molasses |
| Salt 🧂 | ¼ tsp | Kosher or sea salt |
| Rice Krispie Treats 🍪 | 1 package | 12 oz, crushed into clusters |
| Large Marshmallows 🍬 | 1 package | 10 oz, cut into quarters |
| Heavy Whipping Cream 🥛 | ¼ cup | Optional for topping |
| Powdered Sugar 🍚 | 2 tbsp | For dusting |
The graham cracker crust sets the stage—Honey Maid or Keebler are my go-tos, but any sturdy graham cracker works. Look for freshly crushed crumbs (no pre-mixed crusts—they lack texture). For extra richness, toast the crumbs lightly with 2 tbsp melted butter before pressing into the pie dish. The pumpkin puree is non-negotiable: Libby's or Chamberlain's are the gold standards here—no pie filling, just pure pumpkin. The Rice Krispie treats should be homemade if possible (store-bought can be too sweet), but Kellogg's works in a pinch. The marshmallows? Joy or Big Chief melt perfectly—avoid mini marshmallows for this recipe.
No corn syrup? Maple syrup or agave works at the same amount, though it adds depth. Running short on nutmeg? Mace is a 1:1 swap, but nutmeg's warmth is key here. The butter must be full-fat—no substitutions. For the Rice Krispie clusters, pulse them in a food processor until you get coarse crumbs (not powder). The egg whites can be separated if you prefer a lighter filling, but the yolks add richness. Diamond Crystal salt is my preference, but any fine grain works. Pro tip: Toast your spices in the butter before mixing—they'll sing more in the filling.
This pie tastes even better the next day, so bake it ahead if possible. Store leftovers covered at room temperature for up to 3 days or refrigerated for 5 days. For freezing, wrap tightly in plastic and freeze for up to 3 months. The crust stays crisp if you keep it in a cool, dry place. Garnish with whipped cream and cinnamon just before serving—no need to refrigerate the pie itself unless you're prepping it more than a day ahead. The crunch factor is best when the pie is fully cooled, so patience is key before slicing.
Why You'll Love This Recipe
- No Pantry Haul Needed: I keep a can of pumpkin puree and a box of graham crackers on hand just for this—no special shopping trips. The eggs and sugar are basics, and that light corn syrup? It’s the secret to that signature gooey texture without extra fuss.
- Taste Like Fall Morning: Honestly, the combo of crispy graham crust and that creamy pumpkin filling is ridiculously satisfying. The corn syrup gives it a subtle caramel note, and the eggs bind it just right—no weird aftertaste, just pure pumpkin pie vibes in a bowl.
- Crowd-Pleaser Any Day: Between us, this is the dessert I bring to potlucks when I don’t want to stress. It’s not just for Thanksgiving—my kids ask for it after soccer games, and my book club devours it with whipped cream. (Yes, even on a Tuesday night.)
Step-by-step instructions for Rice Krispie pumpkin pie
Here's how to combine classic pumpkin pie flavors with nostalgic Rice Krispie crunch for a unique dessert.
👨🍳 Step 1: Prepare the Graham Cracker Crust
Preheat your oven to 350°F. Remove the graham cracker crust from its package and press it firmly into a 9-inch pie dish, creating an even base. You'll want to press it up the sides slightly to create a rim - this helps hold the filling later. Place the prepared crust on a baking sheet and bake for 8-10 minutes until lightly golden and set. Let it cool completely before adding filling.
Here's the thing - don't skip the baking step. A pre-baked crust prevents sogginess when the wet pumpkin filling goes in. I like to press the crust with my fingers to ensure it's completely flat and even, which helps prevent cracks when we add the filling later.
🍳 Step 2: Make the Spiced Pumpkin Filling
In a large mixing bowl, combine the 15 oz canned pumpkin puree, 1 cup granulated sugar, 0.5 cup light corn syrup, 0.5 cup melted unsalted butter, 2 whole large eggs, 2 tsp ground cinnamon, 0.5 tsp ground nutmeg, 0.5 tsp ground ginger, and 0.25 tsp salt. Whisk until completely smooth and all ingredients are fully incorporated.
This mixture should be thick but pourable - about the consistency of heavy cream. If it's too thick, add 1-2 tablespoons of milk to help it flow better into the crust. The spices should be evenly distributed, giving you that warm, comforting pumpkin pie aroma. Mix thoroughly so you don't get any dry spots in your final pie.
🥘 Step 3: Assemble the Rice Krispie Layer
While the crust cools, crush the 1 package Rice Krispie Treats into clusters by pressing them with your hands or using a rolling pin. Cut the 1 package large marshmallows into quarters. In a separate bowl, combine the crushed Rice Krispie Treats and marshmallow pieces.
Spread half of this Rice Krispie-marshmallow mixture evenly over the cooled graham cracker crust. Press down gently to create a firm base layer. This layer will add that signature crunch and sweetness that makes this pie special. Don't worry if it's not perfectly even - the filling will help everything come together.
🍳 Step 4: Pour and Bake the Pumpkin Layer
Carefully pour the pumpkin filling over the Rice Krispie layer, spreading it evenly to the edges. Then sprinkle the remaining Rice Krispie-marshmallow mixture on top. The filling should be about ½ inch below the pie dish rim to allow for rising during baking.
Place the pie on a baking sheet (to catch any potential spills) and bake for 45-50 minutes until the center is just set and the edges are golden brown. You'll know it's done when a toothpick inserted near the center comes out clean or with just a few moist crumbs. Don't overbake - this pie needs to stay slightly soft in the center.
⏰ Step 5: Cool and Finish with Cream Topping
Remove the pie from the oven and let it cool completely at room temperature for at least 2 hours. This cooling time is crucial - it allows the layers to set properly and prevents the Rice Krispie layer from becoming soggy.
While the pie cools, whip the 0.25 cup heavy whipping cream with the 2 tbsp powdered sugar until soft peaks form. Once the pie is completely cool, spread this whipped cream over the top. The contrast between the warm spiced pumpkin and cool sweet cream creates a perfect balance of flavors and textures. Serve chilled for the best experience.
Pro Tips For Making Rice Krispie Pumpkin Pie
- Preheat the Pan: Pop your pie dish in the oven for 5 minutes at 350°F before adding the filling—this prevents the crust from turning soggy when the custard hits it. I learned this the hard way when my first batch of Rice Krispie pumpkin pie had a sad, limp crust after baking.
- Whisk Eggs Cold: Chill your eggs in the fridge for 10 minutes before whisking them into the pumpkin mixture—this keeps the custard from curdling when it hits the hot oven. I was skeptical until I tried it; now, my filling is silky, not lumpy.
- Skip the Extra Corn Syrup: Use exactly what the recipe calls for—no more. Extra corn syrup makes the pie cloyingly sweet and turns the Rice Krispies into a sticky mess. Trust me, the balance of sugar and syrup is already perfect.
- Press Crust Firmly: Don’t just dump the crust mix into the pan—press it down hard with a glass or your palm, especially the edges. A thin, even layer prevents cracks and ensures the filling doesn’t leak out during baking. (Yes, even if it looks like overkill.)
Troubleshooting perfect results
Crust Too Soggy?
If your crust loses its crunch, the issue is usually steam buildup from the wet filling. To prevent this, blind-bake the crust longer—try 12-15 minutes at 350°F until it’s golden and firm.
I also recommend chilling the assembled pie in the fridge for 30 minutes before baking to slow moisture release. For extra insurance, sprinkle a thin layer of crushed graham crackers between the crust and Rice Krispie layer. 🍪
Filling Too Runny
A watery filling usually means too much liquid or underbaked pie. First, check your pumpkin puree—Libby’s or Chamberlain’s are the most consistent. If the mixture is still too thin, whisk in 1 extra egg yolk for binding.
Bake the pie 5-10 minutes longer and use a toothpick test—it should come out with moist crumbs, not liquid. Overbaking can also cause runniness, so stick to the 45-50 minute window.
Rice Krispie Clusters Too Soft
Crunchy clusters require proper crushing and even heat distribution. Pulse the Rice Krispie treats in a food processor for 3-4 seconds (not powdery, but not whole). For extra crunch, bake the pie at 325°F instead of 350°F—this slows the marshmallow melt and keeps the cereal crisp.
Spread the clusters evenly so they toast uniformly. If they still soften, reduce baking time by 5 minutes.
Cracks in the Filling
Cracks happen when the pie cools too quickly or the filling over-rises. To fix this, prevent cracks by tapping the pie dish gently on the counter before baking to release air bubbles.
After baking, let the pie cool completely at room temperature (no fridge!) for 2+ hours—this gradual cooling prevents shock cracks. If cracks appear, cover them with whipped cream or a dusting of powdered sugar to disguise them. 💫
Marshmallow Burns Before Pie Bakes
Marshmallows burn when exposed to direct heat. To avoid this, press the Rice Krispie-marshmallow layer firmly into the pie so it’s in contact with the filling (which insulates it). Bake on the lower oven rack for the first 20 minutes, then move to the middle rack to finish.
If the top still browns too fast, cover loosely with aluminum foil for the last 10 minutes of baking. 🔥
Nutrition facts
Frequently asked questions
Can I make this pie without a graham cracker crust?
For a gluten-free option, use a crushed gingersnap crust or a store-bought almond flour crust. You can also try a crushed Oreo crust for extra chocolate flavor—just press it firmly into the dish before baking. The key is ensuring your crust is sturdy enough to hold the wet filling without becoming soggy.
How do I make this pie vegan?
Swap the eggs for 2 flax eggs (2 tbsp ground flaxseed + 6 tbsp water), use vegan butter, and replace the marshmallows with vegan marshmallows or dairy-free whipped topping. For the crust, choose a vegan graham cracker crust or make one with crushed vegan cookies and coconut oil. The texture will be slightly different but still delicious!
Can I bake this pie in a smaller dish?
Yes, but adjust the baking time and temperature. For a 7-inch pie dish, reduce the baking time to 35-40 minutes at 350°F. The filling will set faster in a smaller pan, so keep an eye on it to avoid overbaking. If using a 6-inch dish, bake for 25-30 minutes. Just ensure the filling is about ½ inch below the rim for even cooking.
Why does my pie have a marshmallowy texture instead of crunchy clusters?
This usually happens if the marshmallows melt too much during baking. To fix it, crush the Rice Krispie treats more coarsely (but not powdery) and press the mixture firmly into the pie before adding the filling. Bake at 325°F instead of 350°F to slow the marshmallow melt. Also, don’t overbake—the clusters need to stay crisp!
Can I make this pie ahead of time?
This pie actually tastes better the next day! Assemble it up to 24 hours ahead and refrigerate uncovered. Bake it straight from the fridge (add 5-10 minutes to baking time). For longer storage, wrap the baked pie tightly in plastic and freeze for up to 3 months. Thaw overnight in the fridge before serving for the best texture.