This Sugar-Free Pumpkin Pie Lush Dessert is a creamy, no-bake pumpkin treat with a buttery pecan crust, fluffy pumpkin spice pudding layer, light whipped topping, and crunchy pecans. Perfect for fall gatherings, celebrations, or any time you want a comforting, seasonal dessert without regular sugar.

Made with almond flour, chopped pecans, granulated monk fruit or allulose sweetener, unsalted butter, ground cinnamon, sugar-free instant vanilla pudding mix, cold milk or unsweetened almond milk, pumpkin puree, pumpkin pie spice, and sugar-free whipped topping, this lush creates a layered, satisfying dessert. The crust provides a tender, nutty base, while the pumpkin pudding and whipped topping add creaminess and warm spice notes.

It is delicious served chilled, with a sprinkle of toasted pecans that makes every bite feel special.

Why You’ll Love This Pumpkin Pie Lush

One of the best things about this recipe is how easy it is. There is no baking required beyond chilling, and the layers come together quickly.

The flavor is warm and comforting. Pumpkin puree and pumpkin pie spice provide cozy, autumnal notes, while the buttery pecan crust adds richness and depth.

It is also very versatile. You can serve it as a fall dessert, a celebration treat, or a simple no-bake dessert for any occasion. The sugar-free version makes it accessible for those watching their sugar intake.

What Makes This Lush Sugar-Free?

This recipe uses sugar-free instant vanilla pudding mix, granulated monk fruit or allulose sweetener, and sugar-free whipped topping instead of regular sugar. These baking-friendly sugar substitutes provide sweetness without spiking blood sugar.

Pure pumpkin puree provides natural sweetness and fiber without added sugar. Butter, almond flour, and pecans add richness without carbs.

The result is a lush that tastes like a classic pumpkin pie dessert but fits better into sugar-free and lower-carb eating plans.

Ingredients You Need

This lush has three main components: a buttery pecan crust, a fluffy pumpkin spice pudding layer, and a light whipped topping with crunchy pecans.

Pecan Crust (Sugar-Free)

1 1/2 cups almond flour
1/2 cup finely chopped pecans
1/4 cup granulated monk fruit or allulose sweetener
1/2 cup unsalted butter, melted
1/2 tsp ground cinnamon

Pumpkin Layer (Sugar-Free)

1 box sugar-free instant vanilla pudding mix
1 cup cold milk or unsweetened almond milk
3/4 cup pumpkin puree
1 1/2 tsp pumpkin pie spice
8 oz sugar-free whipped topping, thawed

Top Layer (Sugar-Free)

8 oz sugar-free whipped topping, thawed
1/2 cup chopped pecans

The crust is buttery and nutty, the pumpkin layer is fluffy and spiced, and the top layer is light and crunchy.

How to Make Sugar-Free Pumpkin Pie Lush Dessert

This lush is assembled in layers and then chilled until set.

Make the Crust

Mix almond flour, chopped pecans, sweetener, melted butter, and cinnamon until evenly moistened.

Press firmly into the bottom of an 8×8-inch baking dish.

Refrigerate while preparing the pumpkin layer. This helps the crust set.

Make the Pumpkin Layer

Whisk sugar-free vanilla pudding mix and cold milk until thickened.

Add pumpkin puree and pumpkin pie spice.

Whisk until smooth and fully combined.

Fold in 8 oz sugar-free whipped topping until light and fluffy.

Spread evenly over the chilled pecan crust.

Add the Top Layer

Spread the remaining sugar-free whipped topping evenly over the pumpkin layer.

Sprinkle chopped pecans over the top.

Chill and Serve

Cover and refrigerate for at least 6 hours, or overnight for the best texture.

Slice into squares and serve chilled.

Texture and Flavor

This pumpkin pie lush has a buttery, nutty pecan crust, a fluffy, spiced pumpkin pudding layer, and a light, creamy whipped topping with crunchy pecans. The crust is crisp and tender, while the pumpkin layer is smooth and airy.

The flavor is warm and comforting, with pumpkin puree and pumpkin pie spice providing cozy, autumnal notes. The buttery crust adds richness, while the toasted pecans add crunch and nuttiness.

Served chilled, it feels like a rich, indulgent dessert that is perfect for any occasion.

Tips for the Best Results

A few small details can help your pumpkin pie lush turn out perfectly.

Use Instant Pudding

Use instant pudding, not cook-and-serve pudding, so the filling thickens properly. Instant pudding sets without cooking.

Use Pure Pumpkin

Use pure pumpkin puree, not pumpkin pie filling. Pumpkin pie filling contains added sugar and spices that can change the flavor.

Chill Overnight

Chill overnight for firm layers and clean slices. This allows the lush to set fully.

Toast the Pecans

Toast the pecans lightly before using for extra flavor and crunch. This enhances the nutty taste.

Store Properly

Store leftovers covered in the refrigerator for up to 4 days. This keeps the lush fresh and prevents the topping from spoiling.

Press the Crust Firmly

Press the crust firmly into the baking dish. This creates a solid base for the layers.

Easy Variations

This recipe is easy to customize with different flavors and toppings.

Add Ginger

Add 1/4 teaspoon of ground ginger to the pumpkin layer for extra warmth.

Add Cream Cheese

Fold 4 oz of softened cream cheese into the pumpkin layer for a tangy twist.

Add Caramel

Drizzle sugar-free caramel-style sauce over the top layer for extra sweetness.

Make It Dairy-Free

Use unsweetened almond milk and dairy-free whipped topping for a dairy-free version.

Add Cinnamon Whipped Cream

Mix 1/4 teaspoon of ground cinnamon into the top layer whipped topping for a spiced finish.

Serving Ideas

This pumpkin pie lush is best served chilled. A garnish of extra toasted pecans, a dollop of sugar-free whipped topping, or a drizzle of sugar-free caramel-style sauce makes it look and taste extra special.

It is perfect for fall gatherings, celebrations, potlucks, or any time you want a comforting, seasonal dessert. Because it is made in an 8×8-inch baking dish, it is easy to slice into squares for serving a crowd.

Storage Tips

Store leftovers covered in the refrigerator for up to 4 days.

Keep the lush covered with plastic wrap or transfer individual squares to an airtight container.

For the best texture, serve it chilled. The flavor becomes more vibrant as it sits.

Common Mistakes to Avoid

A few simple mistakes can affect the texture of this pumpkin pie lush.

Using Cook-and-Serve Pudding

Cook-and-serve pudding requires cooking and may not set properly. Use instant pudding for the best results.

Using Pumpkin Pie Filling

Pumpkin pie filling contains added sugar and spices. Use pure pumpkin puree for the best flavor.

Not Chilling Long Enough

The lush needs at least 6 hours to set. Chilling overnight gives the firmest texture and cleanest slices.

Not Toasting the Pecans

If the pecans are not toasted, they can taste bland. Toast them lightly for enhanced flavor.

Not Pressing the Crust

If the crust is not pressed firmly, it can become crumbly. Press it firmly into the dish.

FAQ

Can I make this ahead of time?

Yes. This lush is perfect for making ahead. Prepare it the day before and chill until serving.

Can I freeze pumpkin pie lush?

It is not recommended to freeze this lush. The texture can become grainy and the layers may separate.

Can I use regular sugar?

Yes. You can use regular granulated sugar if you are not following a sugar-free plan. Adjust the amount to your taste.

Why is my lush too soft?

The lush may not have chilled long enough, or the pudding was not whisked properly. Make sure to chill thoroughly and whisk the pudding until thickened.

Can I use a different pan size?

Yes. A 9×9-inch pan will work, but the layers may be thinner. Adjust the layer thickness as needed.

Why This Recipe Works

This Sugar-Free Pumpkin Pie Lush Dessert works because the almond flour and pecans create a tender, buttery crust, while the instant pudding and whipped topping provide a light, fluffy filling. The pumpkin puree and pumpkin pie spice add warmth and seasonal flavor, and the toasted pecans add crunch.

It is easy to make ahead, perfect for fall, and ideal for anyone who wants a comforting dessert without regular sugar. For a rich, satisfying treat that feels like a celebration, this pumpkin pie lush is a delicious choice.

Sugar-Free Pumpkin Pie Lush Dessert

Author: chef Jennifer
Total Time: 6 hours 20 minutes, including minimum chilling time
Yield: 16 squares 1x

Print Recipe

Description

This Sugar-Free Pumpkin Pie Lush Dessert is a creamy, no-bake pumpkin treat with a buttery pecan crust, fluffy pumpkin spice pudding layer, light whipped topping, and crunchy pecans. Made with sugar-free ingredients and pure pumpkin puree, it is an easy, comforting fall dessert perfect for gatherings, holidays, potlucks, or anytime you want a seasonal treat without regular sugar.

Ingredients

Scale

Pecan Crust

1 1/2 cups almond flour
1/2 cup finely chopped pecans
1/4 cup granulated monk fruit or allulose sweetener
1/2 cup unsalted butter, melted
1/2 teaspoon ground cinnamon

Pumpkin Layer

1 box sugar-free instant vanilla pudding mix
1 cup cold milk or unsweetened almond milk
3/4 cup pure pumpkin puree
1 1/2 teaspoons pumpkin pie spice
8 ounces sugar-free whipped topping, thawed

Top Layer

8 ounces sugar-free whipped topping, thawed
1/2 cup chopped pecans

Instructions

Prepare the crust: In a bowl, combine the almond flour, chopped pecans, sweetener, melted butter, and cinnamon. Mix until evenly moistened.
Press the crust: Firmly press the mixture into the bottom of an 8×8-inch baking dish. Refrigerate while preparing the pumpkin layer.
Make the pudding: Whisk the sugar-free instant vanilla pudding mix with the cold milk until thickened.
Add pumpkin and spice: Add the pumpkin puree and pumpkin pie spice. Whisk until smooth and fully combined.
Fold in whipped topping: Gently fold 8 ounces of sugar-free whipped topping into the pumpkin mixture until light and fluffy.
Add the pumpkin layer: Spread the pumpkin mixture evenly over the chilled pecan crust.
Add the topping: Spread the remaining 8 ounces of sugar-free whipped topping evenly over the pumpkin layer.
Add pecans: Sprinkle the chopped pecans over the top.
Chill: Cover and refrigerate for at least 6 hours, or overnight for the firmest texture and cleanest slices.
Serve: Slice into squares and serve chilled. Garnish with additional toasted pecans or sugar-free whipped topping if desired.

Notes

Use instant sugar-free pudding mix rather than cook-and-serve pudding.
Use pure pumpkin puree, not pumpkin pie filling.
For the best texture and cleanest slices, chill overnight.
Lightly toast the pecans before using for deeper flavor and extra crunch.
Press the crust firmly into the baking dish so it holds together when sliced.
Store covered in the refrigerator for up to 4 days.
For a dairy-free version, use unsweetened almond milk and dairy-free whipped topping.
For extra warmth, add 1/4 teaspoon ground ginger to the pumpkin layer.
For a tangy variation, fold 4 ounces softened cream cheese into the pumpkin layer.
Drizzle with sugar-free caramel-style sauce before serving for an extra-special finish.
This dessert is best served chilled and is not recommended for freezing because the texture may become grainy or the layers may separate.

Prep Time: 20 minutes
Cook Time: 0 minutes

Nutrition

Serving Size: 1 square
Calories: 250–300
Fat: 23–27 g
Carbohydrates: 8–12 g
Protein: 5–7 g

Keywords: Sugar-Free Pumpkin Pie Lush Dessert

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