Description

This Sugar-Free No-Bake Key Lime Lush is a bright, creamy layered dessert made with a buttery sugar-free graham cracker crust, fluffy cream cheese layer, tangy key lime filling, and light whipped topping. Made without regular sugar and chilled until perfectly set, it is an easy make-ahead dessert that’s perfect for summer gatherings, potlucks, barbecues, and celebrations.

Ingredients

Scale

For the Sugar-Free Graham Cracker Crust

1 1/2 cups sugar-free graham cracker crumbs
2 tablespoons granulated sugar-free sweetener
1/2 cup butter, melted

For the Cream Cheese Layer

16 ounces cream cheese, softened
1 cup powdered sugar-free sweetener
1/2 teaspoon vanilla extract
8 ounces sugar-free whipped topping, thawed

For the Key Lime Layer

1 1/2 cups sugar-free condensed milk
1/2 cup sour cream
1/4 cup fresh key lime juice
2 teaspoons key lime zest

For the Topping

8 ounces sugar-free whipped topping, thawed
Fresh key lime zest or thin lime slices, optional

Instructions

Lightly grease a 9×13-inch baking dish.
In a medium bowl, combine the sugar-free graham cracker crumbs, granulated sugar-free sweetener, and melted butter.
Press the crust mixture firmly and evenly into the bottom of the prepared dish. Use the bottom of a measuring cup or glass to compact the crust.
Place the crust in the freezer while preparing the cream cheese layer.
Beat the softened cream cheese, powdered sugar-free sweetener, and vanilla extract until smooth and creamy.
Gently fold in 8 ounces of thawed sugar-free whipped topping until fully combined and fluffy.
Spread the cream cheese mixture evenly over the chilled crust.
Return the dish to the freezer while preparing the key lime layer.
Whisk the sugar-free condensed milk and sour cream together until smooth.
Add the fresh key lime juice and key lime zest. Whisk only until combined and lightly thickened. Do not overmix.
Spread the key lime mixture evenly over the cream cheese layer.
Spread the remaining 8 ounces of sugar-free whipped topping evenly over the lime layer.
Cover and refrigerate for at least 6 hours, preferably overnight.
Just before serving, garnish with fresh key lime zest or thin lime slices, if desired.
Slice into squares and serve chilled. For clean slices, run a knife under warm water, wipe it dry, and repeat between cuts.

Notes

Use fully softened cream cheese for the smoothest cream cheese layer.
Fresh key lime juice and zest provide the brightest citrus flavor. Regular lime juice can be substituted if necessary.
Avoid overmixing the key lime filling, as excessive mixing may make it thinner.
Press the crust firmly into the pan so it holds together when sliced.
Chill for at least 6 hours; overnight chilling gives the firmest texture and cleanest slices.
Store tightly covered in the refrigerator for up to 3 days.
To freeze, freeze the lush without the final whipped topping for up to 2 months. Thaw in the refrigerator, then add the topping before serving.
For variations, add fresh blueberries, raspberries, unsweetened shredded coconut, or fresh mint.
For a dairy-free version, use dairy-free cream cheese, coconut cream, and dairy-free whipped topping.
Sugar-free sweeteners such as allulose, monk fruit, or erythritol blends may be used according to package conversion recommendations.
Nutrition values are estimates and can vary considerably depending on the brands and specific sugar-free products used.

Prep Time: 25 minutes
Cook Time: 0 minutes
Category: Dessert
Cuisine: American

Nutrition

Serving Size: 1 square
Calories: 255 per serving
Fat: 23g per serving
Carbohydrates: 10g per serving
Fiber: 1g per serving
Protein: 5g per serving

Keywords: Sugar-Free No-Bake Key Lime Lush