Keto Key Lime Pie: 8 Reasons You’ll Love This Dessert

Keto Key Lime Pie

Keto Key Lime Pie is a creamy, tangy, and sugar-free dessert that delivers tropical flavor with every bite. This delightful treat comes with a buttery pecan crust and a smooth, luscious filling that captures the essence of traditional key lime pie, but without the guilt. Whether you’re following a ketogenic diet or simply looking for a refreshing dessert, this Keto Key Lime Pie is sure to impress your taste buds and leave you feeling satisfied.

Why You’ll Love This Keto Key Lime Pie

This low-carb key lime pie is not only delicious but also offers a variety of benefits. Here are some reasons to love this dessert:

  • Low-carb delight: With a fraction of the carbs found in traditional desserts, it’s perfect for keto dieters.
  • Sugar-free: Made with natural sweeteners like erythritol, it’s a guilt-free treat.
  • Creamy texture: The combination of cream cheese and sour cream creates a rich, velvety filling.
  • Quick preparation: This easy keto key lime dessert can be made in under an hour, plus chilling time.
  • Versatile: It can be served as a whole pie or transformed into keto key lime pie bars for easy portions.
  • Healthy ingredients: Packed with wholesome, low-sugar components that support a healthy lifestyle.

Ingredients for Keto Key Lime Pie

Gather these items:

  • 1 ½ cups pecan flour (or finely ground pecans)
  • ¼ cup granulated erythritol or monk fruit sweetener
  • ¼ cup melted butter
  • 1 teaspoon vanilla extract
  • Pinch of salt
  • 1 ½ cups cream cheese, softened
  • ½ cup sour cream
  • 3 large eggs
  • ½ cup powdered erythritol
  • ⅓ cup fresh key lime juice (or regular lime juice)
  • 1 tablespoon lime zest
  • ½ teaspoon vanilla extract
  • Optional: Whipped coconut cream or sugar-free whipped topping
  • Optional: Extra lime zest or thin lime slices

How to Make Keto Key Lime Pie Step-by-Step

  1. Step 1: Preheat oven to 325°F (165°C).
  2. Step 2: Mix pecan flour, sweetener, melted butter, vanilla, and salt. Press into a 9-inch pie pan.
  3. Step 3: Bake for 10–12 minutes until lightly golden. Remove and cool completely.
  4. Step 4: Beat cream cheese and powdered erythritol until smooth.
  5. Step 5: Add sour cream, eggs, lime juice, zest, and vanilla. Mix until creamy and combined.
  6. Step 6: Pour filling over cooled crust. Bake for 20–25 minutes until the center is just set but still slightly jiggly.
  7. Step 7: Let cool, then refrigerate for at least 4 hours (or overnight) to firm up.
  8. Step 8: Top with sugar-free whipped cream and lime zest before serving.

Pro Tips for the Perfect Keto Key Lime Pie

Keep these in mind:

  • Use fresh lime juice for the best flavor — bottled versions can taste bitter.
  • Do not overbake; a slight jiggle ensures a creamy texture.
  • Chill thoroughly to set the filling and enhance flavor.
  • Use powdered sweetener to avoid grittiness in the filling.
  • Each slice contains about 4–5 net carbs depending on sweetener used.

Best Ways to Serve Keto Key Lime Pie

This delightful dessert pairs beautifully with:

  • A cup of iced herbal tea for a refreshing contrast.
  • Fresh berries on the side for a touch of natural sweetness.
  • A sprinkle of toasted coconut for added texture and flavor.

How to Store and Reheat Keto Key Lime Pie

To store, cover the pie and keep it in the refrigerator for up to 5 days. For meal prep, freeze slices individually wrapped for up to 2 months. Thaw overnight in the refrigerator and let sit at room temperature for 10–15 minutes before serving for the perfect creamy texture.

Frequently Asked Questions About Keto Key Lime Pie

What’s the secret to perfect Keto Key Lime Pie?

The secret lies in using fresh lime juice and not overbaking the filling. This maintains the creamy texture, making it a truly satisfying keto-friendly lime dessert.

Can I make Keto Key Lime Pie ahead of time?

Absolutely! This pie is ideal for making ahead of time. In fact, chilling it overnight enhances the flavors and texture, making it even more delicious.

How do I avoid common mistakes with Keto Key Lime Pie?

Avoid using too much sweetener, as it can crystallize. Ensure to chill the pie thoroughly and avoid overbeating the eggs to prevent air bubbles and cracks.

Variations of Keto Key Lime Pie You Can Try

Here are some fun twists on the classic recipe:

  • Keto Key Lime Tart: Use a tart pan for a different presentation.
  • No-bake Keto Lime Pie: Skip baking the crust and use gelatin for the filling.
  • Keto Key Lime Pie Bars: Bake in a square pan for easy portion control.
  • Vegan Keto Key Lime Pie: Substitute cream cheese with coconut cream for a dairy-free option.

Keto Key Lime Pie: 8 Reasons You'll Love This Dessert - Keto Key Lime Pie - main visual representation
Keto Key Lime Pie: 8 Reasons You'll Love This Dessert - Keto Key Lime Pie - additional detail

For more delicious recipes, check out our desserts category, or try making easy avocado toast for a healthy breakfast option. If you’re interested in low-carb meals, you might enjoy Mediterranean chickpea salad as a refreshing side dish.

For more information on the benefits of lime, you can visit Healthline.

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Keto Key Lime Pie: 8 Reasons You’ll Love This Dessert

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This Keto Key Lime Pie is a creamy, tangy, and sugar-free dessert that delivers tropical flavor with every bite.

  • Author: Emily
  • Prep Time: 15 minutes
  • Cook Time: 25 minutes
  • Total Time: 4 hours 40 minutes
  • Yield: 8 slices 1x
  • Category: Dessert, Keto Recipes, Low-Carb Baking
  • Method: Baked
  • Cuisine: American
  • Diet: Keto

Ingredients

Scale
  • 1 ½ cups pecan flour (or finely ground pecans)
  • ¼ cup granulated erythritol or monk fruit sweetener
  • ¼ cup melted butter
  • 1 teaspoon vanilla extract
  • Pinch of salt
  • 1 ½ cups cream cheese, softened
  • ½ cup sour cream
  • 3 large eggs
  • ½ cup powdered erythritol
  • ⅓ cup fresh key lime juice (or regular lime juice)
  • 1 tablespoon lime zest
  • ½ teaspoon vanilla extract
  • Optional: Whipped coconut cream or sugar-free whipped topping
  • Optional: Extra lime zest or thin lime slices

Instructions

  1. Preheat oven to 325°F (165°C).
  2. Mix pecan flour, sweetener, melted butter, vanilla, and salt. Press into a 9-inch pie pan.
  3. Bake for 10–12 minutes until lightly golden. Remove and cool completely.
  4. Beat cream cheese and powdered erythritol until smooth.
  5. Add sour cream, eggs, lime juice, zest, and vanilla. Mix until creamy and combined.
  6. Pour filling over cooled crust. Bake for 20–25 minutes, until the center is just set but still slightly jiggly.
  7. Let cool, then refrigerate for at least 4 hours (or overnight) to firm up.
  8. Top with sugar-free whipped cream and lime zest before serving.

Notes

  • Use fresh lime juice for the best flavor — bottled versions can taste bitter.
  • Do not overbake; a slight jiggle ensures a creamy texture.
  • Chill thoroughly to set the filling and enhance flavor.
  • Use powdered sweetener to avoid grittiness in the filling.
  • Each slice contains about 4–5 net carbs depending on sweetener used.

Nutrition

  • Serving Size: 1 slice
  • Calories: 290
  • Sugar: 1g
  • Sodium: 150mg
  • Fat: 27g
  • Saturated Fat: 14g
  • Unsaturated Fat: 13g
  • Trans Fat: 0g
  • Carbohydrates: 6g
  • Fiber: 2g
  • Protein: 6g
  • Cholesterol: 95mg

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Hi! I’m Margaret!

A passionate home cook and food lover who loves nothing more than sharing my favourite recipes with the world.

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