Keto Pumpkin Pecan Pie Bars – Cozy, Low-Carb Treats for Fall
These Keto Pumpkin Pecan Pie Bars bring all the warm, spiced flavors of fall without the sugar crash. They’re rich, perfectly sweet, and easy to slice for parties or weeknight treats. You get a tender almond flour crust, a silky pumpkin layer, and a glossy pecan topping—every bite hits that pumpkin pie nostalgia.
They’re simple to make, gluten-free, and sweetened with low-carb alternatives. Whether you’re new to keto or just want a lighter dessert, these bars are a crowd-pleaser.
Ingredients
Method
- Prep your pan and oven. Heat oven to 350°F (175°C). Line a 9x9-inch baking pan with parchment, leaving overhang for easy lifting. Lightly grease the parchment.
- Make the crust. In a bowl, whisk almond flour, coconut flour, sweetener, and salt. Stir in melted butter, vanilla, and egg until a moist dough forms. Press evenly into the prepared pan.
- Par-bake the crust. Bake for 10–12 minutes, until the edges are lightly golden. This helps the crust stay crisp under the filling. Set aside while you mix the pumpkin layer.
- Whisk the pumpkin filling. In a mixing bowl, whisk pumpkin puree, eggs, sweetener, heavy cream, cinnamon, ginger, nutmeg, cloves (if using), vanilla, and salt until smooth. Avoid overbeating to limit air bubbles.
- Pour and bake. Spread the pumpkin mixture over the warm crust. Bake for 20–25 minutes, until the edges are set and the center still has a slight jiggle.
- Make the pecan topping. While the pumpkin layer bakes, melt butter in a small saucepan over low heat. Stir in brown-style sweetener, vanilla, and a pinch of salt until dissolved. Remove from heat and fold in chopped pecans.
- Add the topping. Carefully take the pan out of the oven. Spoon the pecan mixture evenly over the pumpkin layer, spreading gently to avoid tearing the surface.
- Finish baking. Return to the oven for 15–18 minutes. The pumpkin layer should be set, and the pecan topping glossy and fragrant. If the pecans brown too quickly, tent loosely with foil.
- Cool completely. Let the bars cool in the pan on a rack for 1 hour, then refrigerate at least 2 hours to fully set. This step makes clean slicing much easier.
- Slice and serve. Use the parchment overhang to lift the slab out. Cut into 16 squares with a sharp knife, wiping the blade between cuts. Top with a tiny pinch of flaky sea salt or a dollop of keto whipped cream, if you like.
Why This Recipe Works
When you’re craving pumpkin pie but want something sturdier and easier, bars are the answer. The almond flour crust is buttery and crisp, so it holds the layers without crumbling.
The pumpkin filling uses pumpkin puree and warm spices for a classic flavor, and a keto-friendly sweetener keeps it low in carbs. The pecan topping adds crunch and caramel-like notes, thanks to butter and brown-style sweetener. Most of the work happens in the oven, and the layers come together with pantry staples.
What You’ll Need
- For the crust:
- 2 cups blanched almond flour
- 3 tbsp coconut flour
- 1/3 cup granulated erythritol or allulose (keto-friendly)
- 1/2 tsp fine sea salt
- 6 tbsp unsalted butter, melted (or coconut oil)
- 1 tsp vanilla extract
- 1 large egg
- For the pumpkin layer:
- 1 1/2 cups pumpkin puree (not pumpkin pie filling)
- 2 large eggs
- 2/3 cup granulated or powdered erythritol/allulose
- 1/2 cup heavy cream (or full-fat coconut milk)
- 1 1/2 tsp ground cinnamon
- 1/2 tsp ground ginger
- 1/4 tsp ground nutmeg
- 1/8 tsp ground cloves (optional)
- 1 tsp vanilla extract
- 1/4 tsp fine sea salt
- For the pecan topping:
- 1 1/4 cups chopped pecans
- 4 tbsp unsalted butter
- 1/3 cup brown-style erythritol/allulose (keto brown sugar substitute)
- 1 tsp vanilla extract
- Pinch of salt
- To finish (optional):
- Flaky sea salt
- Sweetened whipped cream (keto-friendly)
Step-by-Step Instructions
- Prep your pan and oven. Heat oven to 350°F (175°C).
Line a 9×9-inch baking pan with parchment, leaving overhang for easy lifting. Lightly grease the parchment.
- Make the crust. In a bowl, whisk almond flour, coconut flour, sweetener, and salt. Stir in melted butter, vanilla, and egg until a moist dough forms.
Press evenly into the prepared pan.
- Par-bake the crust. Bake for 10–12 minutes, until the edges are lightly golden. This helps the crust stay crisp under the filling. Set aside while you mix the pumpkin layer.
- Whisk the pumpkin filling. In a mixing bowl, whisk pumpkin puree, eggs, sweetener, heavy cream, cinnamon, ginger, nutmeg, cloves (if using), vanilla, and salt until smooth.
Avoid overbeating to limit air bubbles.
- Pour and bake. Spread the pumpkin mixture over the warm crust. Bake for 20–25 minutes, until the edges are set and the center still has a slight jiggle.
- Make the pecan topping. While the pumpkin layer bakes, melt butter in a small saucepan over low heat. Stir in brown-style sweetener, vanilla, and a pinch of salt until dissolved.
Remove from heat and fold in chopped pecans.
- Add the topping. Carefully take the pan out of the oven. Spoon the pecan mixture evenly over the pumpkin layer, spreading gently to avoid tearing the surface.
- Finish baking. Return to the oven for 15–18 minutes. The pumpkin layer should be set, and the pecan topping glossy and fragrant.
If the pecans brown too quickly, tent loosely with foil.
- Cool completely. Let the bars cool in the pan on a rack for 1 hour, then refrigerate at least 2 hours to fully set. This step makes clean slicing much easier.
- Slice and serve. Use the parchment overhang to lift the slab out. Cut into 16 squares with a sharp knife, wiping the blade between cuts.
Top with a tiny pinch of flaky sea salt or a dollop of keto whipped cream, if you like.
Storage Instructions
- Refrigerate: Store bars in an airtight container for up to 5 days. Keep parchment between layers to prevent sticking.
- Freeze: Freeze individually wrapped bars for up to 2 months. Thaw overnight in the fridge, then bring to room temp for the best texture.
- Reheat (optional): Warm a slice in the microwave for 10–15 seconds if you prefer it slightly warm.
Add whipped cream after reheating.
Why This is Good for You
- Low in carbs: Using erythritol or allulose keeps sugar down while still delivering sweetness.
- Healthy fats: Almonds, butter, and pecans provide satiating fats that help steady energy.
- Pumpkin power: Pumpkin offers fiber, vitamin A, and antioxidants without a big carb hit per serving.
- Gluten-free and grain-free: Almond and coconut flours make this dessert friendly for many diets.
What Not to Do
- Don’t use pumpkin pie filling. It’s pre-sweetened and spiced, which throws off the flavor and macros.
- Don’t skip par-baking the crust. A raw crust leads to soggy, crumbly bars.
- Don’t overbake the pumpkin layer. It should be just set. Overbaking makes it dry and grainy.
- Don’t cut while warm. Warm bars will smear and fall apart. Chill them first for clean edges.
- Don’t swap sweeteners 1:1 without checking. Allulose and erythritol behave differently; adjust to taste and texture.
Variations You Can Try
- Maple vibe: Add 1/2 tsp maple extract to the pumpkin filling for a cozy, pie-like note (still keto if using extracts and keto syrup).
- Dairy-free: Use coconut oil in the crust and full-fat coconut milk in the filling.
The flavor stays rich and custardy.
- Pecan praline crumble: Toss the pecans with a pinch of cinnamon and 1–2 tbsp almond flour for a crumbly top.
- Chocolate drizzle: Melt sugar-free dark chocolate and drizzle over cooled bars for a fancy finish.
- Spice it up: Swap the spices for 2 tsp pumpkin pie spice if that’s what you have on hand.
- Nut-free crust: Use a seed-based crust with finely ground sunflower seed flour in place of almond flour (note: flavor will change).
FAQ
Can I make these bars ahead for a party?
Yes. They’re ideal make-ahead treats. Bake the day before, chill overnight, and slice right before serving.
The texture actually improves after resting in the fridge.
What sweetener works best?
Erythritol blends or allulose both work. Allulose gives a softer texture and less cooling effect, while erythritol is a bit crisper and sweeter per volume. Taste the filling and topping before baking and adjust slightly if needed.
How do I keep the crust from sticking?
Use parchment with overhang and a light greasing on the paper.
Let the bars cool fully and chill before lifting them out. A sharp knife and slow, steady cuts help too.
Can I use canned pumpkin pie mix?
No. Pumpkin pie mix contains sugar and added flavors that will change the macros and taste.
Use pure pumpkin puree only.
What if my pecans brown too fast?
Tent the pan loosely with foil during the final bake. This shields the nuts while the center finishes setting. You can also drop the oven temp by 15–25°F if your oven runs hot.
Are these truly keto?
Yes, when made with keto-friendly sweeteners and flours.
Exact net carbs depend on your brands and serving size, but these bars are designed to be low-carb and high in fat.
Can I double the recipe?
Yes. Use a 9×13-inch pan and add a few extra minutes to each bake step. Watch for the same doneness cues rather than strict time.
Do I have to use coconut flour in the crust?
Coconut flour helps with structure and reduces greasiness.
If you skip it, the crust may be softer. If needed, add 2–3 extra tablespoons of almond flour to compensate, but results will vary.
How do I make clean cuts?
Chill the slab at least 2 hours. Use a long, sharp knife.
Wipe the blade between cuts and press straight down rather than sawing to prevent dragging the topping.
Can I replace heavy cream with almond milk?
Almond milk is too thin. Use full-fat coconut milk for a dairy-free option that mimics the richness of cream.
Wrapping Up
These Keto Pumpkin Pecan Pie Bars check all the boxes: easy to make, low in carbs, and packed with fall flavor. The crisp crust, silky pumpkin center, and crunchy pecan top deliver that perfect bite every time.
Keep a batch in the fridge for effortless desserts, holiday spreads, or cozy coffee breaks. Once you try them, they’ll likely become your go-to fall treat—keto or not.
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