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Home / Posts / Keto Lemon Curd - Low Carb/Sugar Free

Keto Lemon Curd - Low Carb/Sugar Free

May 9, 2018 by Keto Cooking Christian 16 Comments

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This sugar-free version of lemon curd has great sweet and tangy flavor that's just as good as the traditional version but without all the carbs.

PIN Keto Lemon Curd

This post may contain Amazon or other affiliate links. As an Amazon Associate I earn from qualifying purchases, through links in this post. See my Disclosure.


What do you do when life gives you lemons?  Make lemon curd, of course!  I absolutely love lemons, in drinks, in desserts, in savory dishes, pretty much any way I can get them.  

If you have never made lemon curd before, it's a soft and smooth spread type custard filling often used in tarts and as a filling in pastries.

Lemon Curd - Keto, Low Carb & Sugar Free

This lemon curd is tart and sweet, very creamy and speckled with little flecks of lemon zest for extra flavor.  You can also use it to make my Lemon Mascarpone Tart or my Lemon Meringue Cupcakes!

What's in Keto Lemon Curd

  • Fresh lemon juice
  • Lemon zest
  • Swerve confectioners
  • Grass-fed unsalted butter
  • Eggs
  • Salt

*Exact measurements are listed in the recipe card below.

How to Make Keto Lemon Curd

Add the butter to a saucepan on very low, then whisk in the Swerve.

Lemon Curd

Whisk in the eggs, then the salt, lemon juice and lemon zest.

Lemon Curd

Turn the heat up to medium-low and cook for about 6-8 minutes or until it thickens enough to coat the back of a spoon.

Lemon Curd

The key to this curd coming out smooth and creamy, is to whisk the entire time!

Lemon Curd

Remove from the heat and cover with plastic wrap, making sure it’s actually touching the curd (to prevent a skin from forming).

Lemon Curd

Chill in the fridge for about an hour. And that's it! It's just that easy to make your own Keto lemon curd.

Lemon Curd - Keto, Low Carb & Sugar Free

Is Lemon Curd and Lemon Pie Filling the Same?

Both lemon curd and lemon pie filling have a delicious lemony flavor but the texture and uses are different. Lemon pie filing uses cornstarch to thicken the mixture and has a thicker texture than lemon curd.

Lemon curd has a more intense lemon flavor and is thickened with eggs and additional butter than what pie filling uses. It can be used for many things including a spread for Keto Pancakes or crepes or used to create these cute little Lemon Curd Thumb Print Cookies.

lemon curd spooned out of a jar

Are Lemons Keto?

They absolutely are! In fact, lemons are recommended on Keto because of their many health benefits. Where you typically avoid a lot of citrus fruit on Keto, lemons are the exception.

They’re low in sugar, a great source of Vitamin C and contain antioxidants that promote healthy digestion and aid in fluid retention. There’re many other great health benefits discussed in this article on Healthline.

Lemon Curd - Keto, Low Carb & Sugar Free

Can I Freeze Lemon Curd?

You sure can. In fact, when frozen in an air tight container it can last up to several months without effecting the taste or quality. That makes it a great make a head recipe for meal prepping desserts in advance.

To thaw, move the container from the freezer to a refrigerator over night. After you have thawed it, you can store it in the refrigerator for a couple of weeks.

Lemon Curd

If you need more inspiration for ways to you this sugar free lemon curd, try these Lemon Meringue Cupcakes!

Lemon Meringue Cupcakes - Keto, Low Carb & Gluten Free

You can also it to make this luscious Lemon Mascarpone Tart.

Lemon Mascarpone Tart - Keto, Low Carb & Gluten Free

If you are short on time, you can make my 5 Minute Microwave Lemon Curd instead! It's super easy to make and have all the same great flavors of these traditional stove top method.

5 Minutes Microwave Lemon Curd - Keto and Low Carb

More Keto and Low Carb Lemon Recipes

  • Lemon Bars
  • Strawberry Lemonade Cake
  • Lemon Cheesecake Mousse
  • Lemon Poppy Mini Bundt Cakes
  • Lemon Cupcakes
  • Blueberry Lemon Muffins
Lemon Curd - Keto, Low Carb & Sugar Free

Shop  my favorite products on Amazon  and check out my Keto Pantry List!

closeup of lemon curd spooned out of a jar

Lemon Curd - Keto, Low Carb & Sugar Free

Sweet and tart lemony goodness in this easy to make, classic sugar free version of Lemon Curd!
5 from 2 votes
Print Save Saved! Review

Recipe Video

Prep Time 5 mins
Cook Time 8 mins
Chill 30 mins
Total Time 13 mins
Author: Julianne
Course: Condiment
Calories: 124
Servings: 12

INGREDIENTS

  • ½ cup Fresh lemon juice
  • 2 tablespoons Lemon zest
  • ¾ cup swerve confectioners (or erythritol)
  • ¼ pound grass-fed unsalted butter (at room temperature)
  • 2 Whole eggs
  • 3 Egg yolks
  • ¼ teaspoon Salt

INSTRUCTIONS

  • Add the butter to a saucepan on very low, then whisk in the swerve.  Whisk in the eggs, then the salt, lemon juice and lemon zest.  Turn the heat up to medium-low and cook for about 6-8 minutes or until it thickens enough to coat the back of a spoon.  
  • The key to this curd coming out smooth and creamy, is to whisk the entire time!
  • Remove from the heat and cover with plastic wrap, making sure it's actually touching the curd (to prevent a skin from forming).  Chill in the fridge and enjoy!

RECIPE NOTES

If you don't like your lemon curd too tart, you can use a little less lemon juice and zest.

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Nutrition Facts
Lemon Curd - Keto, Low Carb & Sugar Free
Amount Per Serving
Calories 124 Calories from Fat 117
% Daily Value*
Fat 13g20%
Saturated Fat 8g50%
Carbohydrates 2g1%
Protein 2g4%
* Percent Daily Values are based on a 2000 calorie diet.
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*Nutritional data is provided as a courtesy and is accurate to the best of my knowledge. You can verify it using the nutrition calculator of your choice. All data is based on net carbs, without sugar alcohol- Swerve, Erythritol, Allulose, or Monk Fruit. Share on Facebook Share on Twitter

© Copyright for Keto Cooking Christian LLC. Please use the buttons above to share on social media, but please do not copy/paste the recipe.

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Filed Under: Most Popular, Posts, Recipes, Sauces & Condiments, Sweet Sauces Tagged With: best keto recipes, best low carb recipes, easy keto recipes, easy low carb recipes, gluten free recipes, keto, keto diet, keto lemon desserts, keto recipes, ketogenic diet, lemon curd, low carb lemon desserts, low carb recipes, uses for lemon curd

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16 Comments
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Rachel
June 2, 2020 11:13 am

Can I use all egg yolks? I have plenty leftover from a keto angel food cake.

Reply
Author
Keto Cooking Christian
June 3, 2020 4:50 pm
Reply to  Rachel

I've never made it that way, so I can't say for sure how it might turn out.

Reply
Marianne
April 9, 2020 9:15 am

Should have strained it! Came out grainy probably from the lemon zest! I reheated it then strain,was much better😉

Reply
Debbie
November 15, 2019 1:42 pm

I make mine in the Instant Pot, so easy!

Reply
Author
Keto Cooking Christian
November 15, 2019 2:42 pm
Reply to  Debbie

Sounds like a great idea!

Reply
Kris
October 20, 2019 9:43 pm

5 stars
This is amazingly delicious! I used 4 medium sized lemons, halved the amount of sweetener, and left it in the fridge overnight to firm up. By the next day, the strong after taste of the sweetener had disappeared completely (thank goodness). It made the perfect topping for mini baked cheesecakes and the perfect filling for keto lemon meringue pie!

Reply
Author
Keto Cooking Christian
October 20, 2019 9:57 pm
Reply to  Kris

Cheesecake and lemon meringue pie both sound fantastic! Glad you enjoyed the curd, thanks for letting me know!

Reply
Carroll
August 3, 2019 12:29 pm

This turned out so well... Thanks!

Reply
Debbie
July 24, 2019 1:11 pm

5 stars
So good! This is my first attempt at lemon curd. Only thing I did differently is dump it all in the pan at the same time. Came out beautifully! Thanks for sharing 😊

Reply
Author
Keto Cooking Christian
July 24, 2019 1:43 pm
Reply to  Debbie

Hi Debbie,
Glad to hear it turned out for you! Enjoy 🙂

Reply
Valeria
March 26, 2019 8:39 pm

Hi. This looks delicious. My question is about baking with it. I've seen cookies that are two parts, a bottom cookie, and a top cookie with a hole cut out and fruit jam filled in the hole. I wondered if this lemon curd could be the filling on that type of cookie?
Thanks.

Reply
Author
Keto Cooking Christian
March 26, 2019 8:42 pm
Reply to  Valeria

Hi Valeria,
As long as the recipe calls for lemon curd, I don't see why not! It's honestly exactly like the stove top version, just made a little differently, but it sets up the same way. I hope that helps!

Reply
marissagarcia23
August 28, 2018 9:51 pm

thank you for the recipe, how long does the lemon curd stay good for?

Reply
Keto Cooking Christian
August 28, 2018 9:58 pm
Reply to  marissagarcia23

I would say 5-7 days should be fine. Any longer and I'd recommend freezing the rest.

Reply
HL BJC
March 1, 2019 4:31 am
Reply to  Keto Cooking Christian

Does the texture change when you freeze it?

Reply
Author
Keto Cooking Christian
March 1, 2019 10:07 am
Reply to  HL BJC

I've never had an issue with texture, after freezing my lemon curd.

Reply

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Keto Cooking Christian

I'm Julianne, welcome!  Eating healthy doesn't mean you have to sacrifice great flavor.  I offer tasty and indulgent Keto & Low Carb recipes that will never leave you feeling deprived! More about me...

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