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sugar-free key lime pie

No Bake, Sugar-Free, Key Lime Pie

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This Key Lime Pie recipe is tart, sweet, and creamy! It's easy to make and doesn't require baking, just a few hours to set in the refrigerator until firm. Make it ahead of time and keep chilled until ready to eat.

The magic to this sugar-free, low-carb pie is in the monk fruit sweeteners! We're using Lakanto Powdered Sweetener in the filling and Lakanto Classic Sweetener in the no-bake, gluten-free crust. Once ready to serve, garnish with whipped topping and key lime slices to your liking.

Equipment Needed:
  • 9 inch pie pan
  • electric hand mixer

Sugar-Free Key Lime Pie Ingredients:

No-Bake Crust

  • 2 cups almond flour (we used blanched, but unblanched also works)
  • ¼ cup Lakanto Classic Sweetener
  • ¼ tsp cinnamon
  • 6 Tbsp butter, melted
Pie Filling
  • 16 oz. cream cheese, softened
  • 1 ¼ cups Lakanto Powdered Sweetener
  • ⅓ cup fresh key lime juice (or regular limes)
  • 1 tsp vanilla extract
  • 1 Tbsp lime zest (more if you prefer a stronger lime flavor)
  • 1 cup heavy whipping cream
Whipped Topping


  • Lime slices to garnish top

How to Make Sugar-Free Key Lime Pie & Crust:

  1. To prepare the crust, combine all the crust ingredients (almond flour, Lakanto Classic Sweetener, ground cinnamon, and melted butter) in a bowl. Stir until well mixed. Press evenly into a 9 inch pie dish.  Place in the refrigerator to chill while the filling is prepared.
  2. To prepare the filling, place the cream cheese in a medium sized mixing bowl.  Using a hand mixer, beat the cream cheese until smooth. 
  3. Add in Lakanto Powdered Monkfruit Sweetener, lime juice, vanilla extract, and zest.  Mix until smooth.  
  4. In another mixing bowl, beat the heavy whipping cream until stiff peaks form.
  5. Next, fold in the whipped heavy cream into the cream cheese mixture until incorporated.
  6. Remove chilled pie crust from fridge and pour the filling into it. If needed, use a spoon to smooth the filling.  
  7. Cover and refrigerate for at least 4 hours or overnight until it is set.
  8. Whipped topping: mix the whipped topping before serving by mixing the ingredients until stiff peaks form.
  9. Enjoy your pie served with whipped topping!


SUGAR-FREE KEY LIME PIE using lakanto's powdered sugar

How to Store the Pie:

  • Fridge: keep this key lime pie stored in the refrigerator, covered, for up to 1 week. 
  • Freezer: place in an air-tight container to store in the freezer for up to 1 month. To thaw, place in the fridge the night before.

Nutritional Info (per serving): 1 slice

Calories: 395
Fat: 39g
Saturated Fat: 19g
Protein: 7.5g
Sodium: 157mg
Total Carbs: 26g
Dietary Fiber: 2g
Sugars: 1g
Sugar Alcohols: 19g
Net Carbs: 5.6g
Total servings in recipe: 12 slices