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Home Recipes Keto Key Lime Pie

Keto Key Lime Pie

Net Carbs:3.6g
Published:05/14/20Updated:06/25/20
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This Keto Key Lime Pie is a delicious and low-carb dessert recipe that is full of flavor! Made without almond flour, this tasty pie recipe is a great option for those who follow a ketogenic diet and cannot eat almonds!

I am sharing this recipe post in partnership with Lakanto.

overhead image of a whole Keto Key Lime Pie atop a marble kitchen counter

Please be sure to read through the blog post for the answers to frequently asked questions before you move on to the recipe card and making this recipe. You will also find step-by-step photos within the blog post (above the recipe card) that will help you to successfully make this pie recipe.

As an Amazon Associate, I earn from qualifying purchases.

Easy keto key lime pie recipe

If you enjoy key lime pie, you will love this keto-friendly and nut-free variation!

The crust includes ingredients like sesame seeds, unsweetened shredded coconut, and Lakanto Monk Fruit Sweetener. The filling is comprised of ingredients like avocado (yes, avocado!), cream cheese, Lakanto Powdered Monk Fruit Sweetener, lime zest, and lime juice.

Keto Key Lime Pie featured image

Steps to make this low carb nut free key lime pie with cream cheese

  1. Crust: Prepare and bake.
  2. Filling: Mix and add to baked crust.
  3. Chill: Transfer pie to refrigerator.
  4. Top & Serve: Add whipped cream topping and enjoy!

What ingredients are required?

  • Sesame seeds
  • Unsweetened shredded coconut
  • Butter
  • Monk fruit sweetener
  • Vanilla extract
  • Salt
  • Avocados
  • Cream cheese
  • Heavy whipping cream
  • Powdered monk fruit sweetener
  • Lime zest
  • Lime juice

Keto key lime pie recipe FAQs

Are there any ingredient substitution options?

  • Butter: Coconut oil can be substituted in for butter in both the crust and filling at a 1:1 ratio.
  • Classic Monk Fruit Sweetener: Lakanto Golden Monk Fruit Sweetener, erythritol, or Swerve subbed in at a 1:1 ratio will work here. Powdered or liquid stevia will not work.
  • Cream Cheese: Mascarpone cheese can be substituted in for cream cheese. Instead of 3/4 cup of cream cheese, I would use 1/2 cup mascarpone. Note that this substitution will alter the final nutrition information.
  • Powdered Monk Fruit Sweetener: If you don’t have powdered monk fruit sweetener on-hand, simply pulse granulated monk fruit sweetener in a high-speed blender or food processor until powdered.
  • Key Lime Zest and Key Lime Juice: The zest and juice from regular limes will work just fine here!

Where can I purchase monk fruit sweetener to make this recipe?

Monk fruit sweetener is now widely available at most grocery stores, especially specialty food stores and Costco. I personally purchase mine online from Lakanto and have it directly shipped to me.

If you want to order your monk fruit sweetener online, you can use discount code REALBALANCED for 20% OFF your order!

Why are there avocados in this dessert recipe?

The filling for this Keto Key Lime Pie is made from a combination of avocado and mascarpone cheese.

If you’ve never had avocados in a dessert before, you may be a little unsure of what to expect in a final product; rest assured, the resulting pie is sweetened and you won’t notice that avocado was used. Plus, using avocado gives you an extra dose of healthy fats!

How many net carbs per serving?

Each slice contains 3.6 grams of net carbs.

This recipe yields 10 servings in total. One slice is equivalent to one serving.

How to store this pie?

Refrigerator Storage: Store in an airtight container in the refrigerator for up to 3 days.

Freezer Storage: Store in an airtight container in the freezer for up to 2 months. I would recommend freezing it without the whipped cream topping. Thaw pie completely in the refrigerator prior to serving.

angled close-up shot of Keto Key Lime Pie

How to make this keto and nut-free key lime pie

Preheat oven to 300 degrees. Liberally coat bottom and sides of 9-inch springform pan with nonstick cooking spray.

Crust: In a food processor, pulse sesame seeds and shredded coconut until ground.

ground shredded coconut and sesame seeds in a food processor atop a marble kitchen counter

Transfer mixture to mixing bowl and add melted butter, monk fruit sweetener, and salt. Using a spoon, mix all ingredients until well-combined.

keto key lime pie dough in a bowl with a wooden spoon atop a marble kitchen counter

Spoon crust mixture into a prepared springform pan and, using your fingers, press mixture into even layer across base and up sides of pan to form crust.

keto key lime pie dough mixture spread into even layer across a springform pan atop a marble kitchen counter

Transfer pan to oven to bake until edges are golden brown, about 20-25 minutes, before removing pan from oven and allowing to cool.

baked keto key lime pie crust on a springform pan atop a marble kitchen counter

Filling: Meanwhile, to a mixing bowl, add all filling ingredients.

a bowl of pitted avocados, cream cheese, heavy whipping cream, melted butter, powdered monk fruit sweetener, lime zest and lime juice

Blend all filling ingredients together using an electric mixer or high-speed blender. Taste mixture and add additional powdered monk fruit sweetener based on sweetness and tartness preference.

keto key lime pie filling mixture in a bowl atop a marble kitchen counter

Spoon filling atop cooled baked crust. Transfer pan to freezer to freeze until set, about 1-2 hours, depending on the temperature of the freezer.

keto key lime pie filling being spooned atop cooled baked crust

Topping: Meanwhile, in a mixing bowl, using an electric mixer, mix together heavy cream and powdered monk fruit sweetener until whipped. Transfer prepared whipped cream to the refrigerator to chill until pie is ready to serve.

Final Steps: Once set, remove pie from freezer and allow to sit at room temperature to soften slightly before topping individual pieces with prepared whipped cream and fresh lime zest.

overhead image of a whole Keto Key Lime Pie with a slice slightly taken-outatop a marble kitchen counter

Diet lifestyles this recipe is compliant with

This Keto Key Lime Pie is suitable for these diets:

  • Keto and Low-carb: One serving contains 3.6g grams of net carbs
  • Grain-Free and Gluten-Free: This Keto Key Lime Pie is free from gluten and grain products.
  • Nut-Free: If you have a nut allergy or intolerance, this pie is a great option for you!
  • Egg-Free: This recipe is made without eggs.
  • Vegetarian: This key lime pie is vegetarian-friendly.
  • Refined Sugar-Free: This Keto Key Lime Pie is made with my favorite keto-friendly sweetener, Lakanto Classic Monk Fruit Sweetener.

Looking for more keto pie recipes?

If you’d like more low-carb pie inspiration, these are some of my favorites you might like to try:

  • Key Lime Pie Fat Bombs
  • Pumpkin Pie Panna Cotta
  • Pumpkin Pie Mug Cake
  • Keto Fruit Pizza
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Keto Key Lime Pie featured image

Keto Key Lime Pie


  • Author: Sara Nelson
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 2 hours, 40 minutes
  • Yield: 10 slices 1x
  • Category: Dessert
  • Method: Baked
  • Cuisine: American
  • Diet: Gluten Free
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Description

This Keto Key Lime Pie is a delicious and low-carb dessert recipe that is full of flavor! Made without almond flour, this tasty pie recipe is a great option for those who follow a ketogenic diet and cannot eat almonds!


Ingredients

Crust:

  • 1 cup (144g) sesame seeds
  • ¾ cup (60g) unsweetened shredded coconut
  • ¼ cup (2 oz) melted butter
  • 3 tbsp (36g) classic monk fruit sweetener
  • ½ tsp vanilla extract
  • ⅛ tsp salt

Filling:

  • 1 ½ large avocados, peeled and pitted (~215g)
  • 6 oz (¾ cup) cream cheese
  • ¼ cup (60mL) heavy whipping cream
  • ¼ cup-⅓ cup (48g-64g) powdered monk fruit sweetener, depending on sweetness and tartness preference
  • 1 tbsp (0.5 oz) butter, melted
  • Zest from 1 key lime (~1 tsp)
  • Juice from 2 key limes (~50 mL)
  • 1/16 tsp salt

Topping (Optional):

  • ½ cup (120mL) heavy whipping cream
  • 2 tbsp (24g) powdered monk fruit sweetener
  • Fresh key lime zest

Instructions

  1. Preheat oven to 300 degrees. Liberally coat bottom and sides of 9-inch springform pan with nonstick cooking spray.
  2. Crust: In a food processor, pulse sesame seeds and shredded coconut until ground. Transfer mixture to mixing bowl and add melted butter, monk fruit sweetener, and salt. Using a spoon, mix all ingredients until well-combined.
  3. Spoon crust mixture into a prepared springform pan and, using your fingers, press mixture into even layer across base and up sides of pan to form crust. Transfer pan to oven to bake until edges are golden brown, about 20-25 minutes, before removing pan from oven and allowing to cool.
  4. Filling: Meanwhile, in a mixing bowl, blend all filling ingredients together using an electric mixer or high-speed blender. Taste mixture and add additional powdered monk fruit sweetener based on sweetness and tartness preference.
  5. Spoon filling atop cooled baked crust. Transfer pan to freezer to freeze until set, about 1-2 hours, depending on temperature of freezer.
  6. Topping: Meanwhile, in a mixing bowl, using an electric mixer, mix together heavy cream and powdered monk fruit sweetener until whipped. Transfer prepared whipped cream to refrigerator to chill until pie is ready to serve.
  7. Final Steps: Once set, remove pie from freezer and allow to sit at room temperature to soften slightly before topping individual pieces with prepared whipped cream and fresh lime zest.

Recipe Notes:

Butter Substitution: Coconut oil can be substituted in for butter in both the crust and filling at a 1:1 ratio.

Classic Monk Fruit Sweetener Substitution: Lakanto Golden Monk Fruit Sweetener, erythritol, or Swerve subbed in at a 1:1 ratio will work here. Powdered or liquid stevia will not work.

Cream Cheese Substitution: Mascarpone cheese can be substituted in for cream cheese. Instead of 3/4 cup of cream cheese, I would use 1/2 cup mascarpone. Note that this substitution will alter the final nutrition information.

Powdered Monk Fruit Sweetener Substitution: If you don’t have powdered monk fruit sweetener on-hand, simply pulse granulated monk fruit sweetener in a high-speed blender or food processor until powdered.

Where Monk Fruit Sweetener Can Be Purchased: Monk fruit sweetener is now widely available at most grocery stores, especially specialty food stores and Costco. I personally purchase mine online from Lakanto and have it directly shipped to me. If you want to order your monk fruit sweetener online, you can use discount code REALBALANCED for 20% OFF your order!

Key Lime Zest and Key Lime Juice Substitutions: The zest and juice from regular limes will work just fine here!

Net Carbs: Each slice contains 3.6 grams of net carbs.

Refrigerator Storage: Store pie in an airtight container in the refrigerator for up to 3 days.

Freezer Storage: Store pie in an airtight container in the freezer for up to 2 months. I would not recommend adding whipped cream topping to the pie if you decide to freeze it. Thaw pie completely in the refrigerator prior to serving.

Keywords: keto key lime pie recipe, keto friendly key lime pie, best keto key lime pie

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My name is Sara Nelson and I am the face behind Real Balanced. I am a Mom to two, obsessed with my Boston Terrier, and a proud Wisconsinite. On my site, you will find easy and delicious low-carb, keto-friendly, nut-free, and 30-minute recipes. Read More
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