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    Home / Posts / Keto Lemon Curd

    Keto Lemon Curd

    May 9, 2018 by Keto Cooking Christian 20 Comments

    This post may contain affiliate links. As an Amazon Associate I earn from qualifying purchases, see Disclosure.
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    This sugar-free and Keto friendly lemon curd has great sweet and tangy flavor that's just as good as the traditional version, without all the carbs.

    closeup of lemon curd spooned out of a jar

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    ❤️ Why You'll Love this Keto Lemon Curd Recipe

    • Easy to make
    • Same texture and great flavor of traditional lemon curd
    • Sugar-free and low in carbs
    • Great to use in so many recipes
    Lemon Curd - Keto, Low Carb & Sugar Free

    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 in open glass jar

    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.

    🥣 Recommended Tools

    • Large pot or dutch oven
    • 9 x 13 casserole baking dish

    How to Make Keto Lemon Curd

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

    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

    Tip: 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 filling 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

    Does Lemon Curd Contain Sugar?

    The classic version does contain sugar, so it's not idea for a low carb diet. However, this Keto Lemon Curd uses a Keto friendly sweetener that has zero net carbs, making it idea for Keto!

    Is Lemon Curd High in Carbs?

    Since the traditional version contains sugar, yes it would be too high in carbs for Keto.

    Is Lemon Keto Friendly?

    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.

    Is Lemon Curd Healthy for You?

    Lemons are naturally 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 Lemon Recipes

    • Lemon Bars
    • Strawberry Lemonade Cake
    • Lemon Cheesecake Mousse
    • Lemon Poppy Mini Bundt Cakes
    • Lemon Cupcakes
    • Blueberry Lemon Muffins
    PIN Keto Lemon Curd
    20 Easy Keto Recipes Cover Thumbnail

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    closeup of lemon curd spooned out of a jar

    Keto Lemon Curd

    This sugar-free and Keto friendly lemon curd has great sweet and tangy flavor that's just as good as the traditional version, without all the carbs.
    5 from 2 votes

    Recipe Video

    Print Pin SaveSaved! Rate
    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 in an airtight jar 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
    Keto Lemon Curd
    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.

    *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.

    NOTE: Recipes using Swerve/Erythritol can be substituted 1:1 with a Monk fruit/Allulose blend.

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    Filed Under: 30 Minutes or Less, 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

    Bible verse of the day

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    Reader Interactions

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      Recipe Rating




    1. FRAN

      March 17, 2022 at 2:01 pm

      4 stars
      ALTHOUGHT IT TASTED FINE, IT STILL CRYSTALLIZED AFTER COOLING. I USED CONFECTIONS SUGAR. WHEN I WARMED IT, IT DISSOVED, BUT I REALLY DIDN'T WANT IT WARM. ANY SUGGESTIONS FOR NEXT TIME?

      Reply
      • Keto Cooking Christian

        March 20, 2022 at 6:03 pm

        I'm not sure why it crystallized, mine doesn't seem to do that when I use the powdered. Alternatively, you can use allulose instead, just be sure to use close to 1 cup, since allulose isn't quite as sweet as Swerve.

        Reply
    2. Rachel

      June 02, 2020 at 11:13 am

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

      Reply
      • Keto Cooking Christian

        June 03, 2020 at 4:50 pm

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

        Reply
    3. Marianne

      April 09, 2020 at 9:15 am

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

      Reply
    4. Debbie

      November 15, 2019 at 1:42 pm

      I make mine in the Instant Pot, so easy!

      Reply
      • Keto Cooking Christian

        November 15, 2019 at 2:42 pm

        Sounds like a great idea!

        Reply
      • Chip

        November 23, 2021 at 6:24 pm

        Do you have the instructions for making in instant pot?

        Reply
        • Keto Cooking Christian

          November 24, 2021 at 12:40 pm

          I've never made lemon curd in the Instant Pot, but I do have a 5-Minute version that is super quick and easy. https://ketocookingchristian.com/5-minute-microwave-lemon-curd-keto-and-low-carb/

    5. Kris

      October 20, 2019 at 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
      • Keto Cooking Christian

        October 20, 2019 at 9:57 pm

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

        Reply
    6. Carroll

      August 03, 2019 at 12:29 pm

      This turned out so well... Thanks!

      Reply
    7. Debbie

      July 24, 2019 at 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
      • Keto Cooking Christian

        July 24, 2019 at 1:43 pm

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

        Reply
    8. Valeria

      March 26, 2019 at 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
      • Keto Cooking Christian

        March 26, 2019 at 8:42 pm

        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
    9. marissagarcia23

      August 28, 2018 at 9:51 pm

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

      Reply
      • Keto Cooking Christian

        August 28, 2018 at 9:58 pm

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

        Reply
        • HL BJC

          March 01, 2019 at 4:31 am

          Does the texture change when you freeze it?

        • Keto Cooking Christian

          March 01, 2019 at 10:07 am

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

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    Julianne Walser KCC

    I'm Julianne, welcome! I offer tasty and indulgent Keto and Low Carb recipes that will never leave you feeling deprived!

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