Indulge Guilt-Free: Keto Key Lime Pie Recipe

Are you looking for a delicious keto-friendly dessert that won’t derail your diet? Look no further than keto key lime pie. This classic dessert has been adapted to fit into a low-carb, high-fat diet, making it the perfect treat for anyone following a ketogenic lifestyle.

Made with a creamy lime custard filling and a tender crust, keto key lime pie is a refreshing and indulgent dessert that you won’t believe is low-carb. With just a few simple substitutions, this recipe is easy to make and will satisfy your sweet tooth without kicking you out of ketosis.

Whether you’re looking for a dessert to serve at your next dinner party or simply want to treat yourself to something sweet, keto key lime pie is a great option. So why not give it a try and see for yourself how delicious and satisfying this dessert can be?

1. What is Keto Diet?

The ketogenic diet, or keto diet for short, is a low-carb, high-fat diet that has gained popularity in recent years. The goal of the diet is to switch your body from using glucose as its primary source of energy to using ketones, which are produced by your liver when you consume a low amount of carbohydrates.

When you follow a keto diet, you typically consume no more than 50 grams of carbohydrates per day and get the majority of your calories from fat. This means that you’ll be eating foods like meat, fish, eggs, dairy, nuts, seeds, and healthy oils like olive oil and coconut oil.

The keto diet has been shown to have several potential benefits, including weight loss, improved blood sugar control, and increased energy levels. However, it’s important to note that the diet isn’t right for everyone, and it can be challenging to follow long-term.

If you’re considering starting a keto diet, it’s important to speak with your healthcare provider first to make sure it’s safe for you and to get guidance on how to follow the diet properly.

2. Why Key Lime Pie?

If you’re on a keto diet, you may be wondering why you should bother with key lime pie. After all, it’s a dessert that’s typically loaded with sugar and carbs. However, with a few modifications, it can be a delicious and satisfying keto-friendly treat.

One reason to love key lime pie is its unique flavor. Made with tart key lime juice and sweetened condensed milk, it has a tangy, sweet taste that’s hard to resist. Plus, it’s a refreshing dessert that’s perfect for warm weather.

Another reason to try keto key lime pie is its nutritional benefits. Key limes are a good source of vitamin C, which is important for immune health and skin health. Additionally, the recipe can be made with healthy fats, such as coconut oil or almond flour, which are beneficial for heart health and weight management.

Finally, keto key lime pie is a great way to satisfy your sweet tooth without derailing your diet. With just a few simple substitutions, you can enjoy a delicious dessert that won’t spike your blood sugar or kick you out of ketosis.

So, whether you’re a fan of key lime pie or just looking for a tasty keto-friendly dessert, give this recipe a try. You won’t be disappointed!

3. Ingredients for Keto Key Lime Pie

To make a delicious and healthy Keto Key Lime Pie, you will need the following ingredients:

  • Almond Flour: This is the base for the crust and is a great alternative to traditional graham crackers. It’s low in carbs and high in healthy fats.
  • Butter: Use unsalted butter to make the crust. It adds richness and flavor to the crust.
  • Erythritol: This is a sugar substitute that is low in calories and carbs. It’s perfect for making a sugar-free filling.
  • Lime Juice: Use fresh lime juice for the best flavor. It adds tanginess and acidity to the filling.
  • Lime Zest: This adds a bright and fresh flavor to the filling. Make sure to zest the limes before juicing them.
  • Avocado: This is a surprising ingredient that makes the filling creamy and rich. It’s also a great source of healthy fats.
  • Cream Cheese: Use full-fat cream cheese to add richness and flavor to the filling.
  • Heavy Cream: This is used to whip the filling and make it light and fluffy.
  • Vanilla Extract: This adds a hint of sweetness and flavor to the filling.

All of these ingredients are keto-friendly and can be found at your local grocery store or online. With these ingredients, you can make a delicious and healthy Keto Key Lime Pie that is perfect for any occasion.

4. Preparation Method

To make a delicious keto key lime pie, you will need to follow a few simple steps. Here’s how to do it:

  1. Preheat your oven to 350°F.
  2. In a large mixing bowl, combine almond flour, melted butter, and sweetener. Mix until the ingredients are well combined.
  3. Press the mixture into a 9-inch pie dish, making sure to spread it evenly across the bottom and up the sides of the dish.
  4. Bake the crust for 10-12 minutes or until it is golden brown.
  5. While the crust is baking, prepare the filling. In a mixing bowl, combine cream cheese, lime juice, sweetener, and vanilla extract. Mix until the ingredients are well combined.
  6. Add heavy cream to the mixture and continue to mix until the filling is smooth and creamy.
  7. Pour the filling into the baked crust and smooth it out with a spatula.
  8. Chill the pie in the refrigerator for at least 2 hours or until it is set.
  9. Once the pie is chilled, serve it with whipped cream and lime zest on top.

That’s it! With these simple steps, you can make a delicious keto key lime pie that will impress your friends and family.

5. Baking Techniques

When making a keto key lime pie, there are a few baking techniques that can help ensure that your pie is delicious and has the right texture.


For the crust, it’s important to use a low-carb alternative to traditional graham crackers. Almond flour or coconut flour can be used to create a gluten-free, keto-friendly crust. Be sure to add a pinch of salt to the crust to enhance the flavor.


When making the filling, it’s important to use fresh key limes for the best flavor. You can also use bottled key lime juice, but be sure to check the label to make sure it doesn’t contain added sugars. To help the filling set properly, use gelatin or xanthan gum as a thickener.


To prevent the filling from cracking, it’s important to bake the pie at a low temperature for a longer period of time. This will help the filling set evenly without overcooking the edges. Once the pie is done baking, let it cool completely before slicing.

By following these baking techniques, you can create a delicious and beautiful keto key lime pie that will impress your friends and family.

6. Storage and Serving Suggestions

Once you have made your keto key lime pie, you’ll want to store it properly to keep it fresh. Here are some storage and serving suggestions to help you get the most out of your dessert:


  • Refrigerate: Store your keto key lime pie in the fridge in an airtight container or covered with plastic wrap. It should last for up to 5 days in the fridge.
  • Freeze: If you want to keep your keto key lime pie for longer, you can freeze it. Wrap it tightly in plastic wrap and store it in an airtight container. It should last for up to 3 months in the freezer.


  • Thaw: If you have frozen your keto key lime pie, let it thaw in the fridge overnight before serving.
  • Garnish: Before serving, you can garnish your keto key lime pie with whipped cream, lime slices, or chopped nuts.
  • Slice: Use a sharp knife to slice your keto key lime pie into even portions. Serve and enjoy!

Remember that keto key lime pie is best served chilled, so keep it in the fridge until you are ready to serve it. If you are serving it at a party or gathering, you can also keep it on ice to help keep it cool.

By following these storage and serving suggestions, you can enjoy your keto key lime pie for days to come.

7. Potential Variations

There are many potential variations to the classic keto key lime pie recipe. Here are a few ideas to help you mix things up:

  • Crust Variations: Instead of using a traditional graham cracker crust, try using a crust made from almond flour, coconut flour, or crushed nuts. You could also try a crustless key lime pie for a low-carb option.
  • Topping Variations: While whipped cream is a classic topping for key lime pie, you could also try a meringue topping for a lighter option. You could also add some lime zest or sliced limes on top for a decorative touch.
  • Filling Variations: While traditional key lime pie uses sweetened condensed milk, you could try using coconut milk or heavy cream for a dairy-free option. You could also experiment with different sweeteners, such as erythritol or stevia, to find the perfect level of sweetness for your taste buds.
  • Flavor Variations: While classic key lime pie is tart and tangy, you could try adding other flavors to the mix. For example, you could add some vanilla extract or coconut extract to the filling for a different flavor profile. You could also try adding some shredded coconut or chopped nuts to the crust for some added texture.

Overall, the possibilities for variations on keto key lime pie are endless. Don’t be afraid to experiment and find the perfect combination of flavors and textures that work for you.

8. Common Mistakes to Avoid

When making keto key lime pie, there are a few common mistakes that you should avoid to ensure that your pie turns out perfectly. Here are some things to keep in mind:

Using Regular Sweetened Condensed Milk

Regular sweetened condensed milk is high in sugar and carbs, which is not suitable for the keto diet. Instead, use keto-friendly sweetened condensed milk, which is made with low-carb sweeteners like erythritol and stevia. You can find recipes online, or purchase pre-made options at many health food stores.

Not Chilling the Pie Long Enough

Keto key lime pie needs to be chilled for at least a few hours before serving to allow it to set properly. If you cut into the pie too soon, it may be runny and not hold its shape. Be patient and let the pie chill for the recommended amount of time.

Overbeating the Filling

When making the filling for your keto key lime pie, be careful not to overbeat it. Overbeating can cause the filling to become too thin, which can affect the texture of the pie. Beat the filling until it is just combined and smooth.

Using the Wrong Type of Lime Juice

When making keto key lime pie, it is important to use fresh key lime juice. Do not use regular lime juice, as it will not have the same flavor. If you cannot find fresh key limes, you can use bottled key lime juice, which is available at many grocery stores.

Not Using a Proper Pie Dish

To ensure that your keto key lime pie cooks evenly, it is important to use a proper pie dish. A glass or ceramic dish is best, as it will distribute heat evenly. Avoid using metal or disposable pie pans, as they may not cook the pie properly.

9. Conclusion

Congratulations, you have successfully made a delicious keto key lime pie! This dessert is perfect for those who are on a low-carb or keto diet but still want to enjoy a sweet treat.

By using alternative ingredients such as almond flour, coconut oil, and erythritol, you can create a pie that is just as tasty as the traditional version but without all the carbs and sugar.

When making a keto key lime pie, it’s important to follow the recipe closely and use high-quality ingredients. Be sure to use fresh lime juice and zest for the best flavor.

Remember that moderation is key, even when it comes to low-carb desserts. While this pie may be lower in carbs than a traditional key lime pie, it’s still important to enjoy it in moderation as part of a balanced diet.

Overall, this keto key lime pie is a delicious and satisfying dessert that you can enjoy without the guilt. Give it a try and see for yourself how tasty low-carb desserts can be!

10. Frequently Asked Questions

How many carbs are in a Key lime pie?

A traditional Key lime pie can have anywhere from 20 to 30 grams of carbs per slice due to its high sugar content. However, a keto-friendly Key lime pie recipe can have as little as 3 grams of net carbs per serving. Be sure to check the nutrition information for any recipe you use to ensure it fits your dietary needs.

Can I substitute limes for Key lime pie?

Yes, you can substitute regular limes for Key limes in a Key lime pie recipe. However, the flavor and acidity may be slightly different, as Key limes have a more intense and tart flavor than regular limes.

How do you thicken a Key lime pie?

The traditional method for thickening a Key lime pie filling is to use sweetened condensed milk. However, for a keto-friendly version, you can use a combination of heavy cream and cream cheese to achieve a similar texture.

What is so special about Key lime pie?

Key lime pie is a beloved dessert that originated in the Florida Keys. Its unique flavor comes from the use of Key limes, which are smaller and more acidic than regular limes. The filling is typically made with sweetened condensed milk, which gives it a creamy texture and rich flavor.

Is it possible to make keto key lime pie with avocado?

Yes, it is possible to make a keto-friendly Key lime pie with avocado. Avocados are a great source of healthy fats and can be used as a base for the filling in place of sweetened condensed milk or heavy cream.

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Keto Key Lime Pie

Keto Key Lime Pie

  • Author: Lina Murphy
  • Total Time: 4 hours (including chilling time)
  • Yield: 8 servings


Indulge in a guilt-free treat with our Keto Key Lime Pie. This low-carb dessert strikes the perfect balance of tangy and sweet, making it a delightful addition to your keto menu.


  • Almond flour crust
  • Cream cheese
  • Heavy cream
  • Key lime juice
  • Stevia or erythritol
  • Vanilla extract
  • Unsweetened almond milk
  • Gelatin


  1. Prepare the almond flour crust and press it into a pie dish.
  2. In a bowl, mix cream cheese, heavy cream, sweetener, key lime juice, and vanilla extract until smooth.
  3. Heat almond milk and dissolve gelatin in it. Add it to the cream cheese mixture and blend.
  4. Pour the filling into the crust and refrigerate until set.
  5. Garnish with lime slices or whipped cream if desired.


For a refreshing twist, try adding zest from key limes on top before serving.

  • Prep Time: 20 minutes
  • Cook Time: 0 minutes (no baking required)
  • Category: Dessert
  • Method: No-Bake
  • Cuisine: Ketogenic


  • Serving Size: 1 slice

Keywords: Keto Key Lime Pie, Low Carb Lime Dessert, Sugar-Free Key Lime Pie, Ketogenic Dessert, Keto Pie Recipe

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