Creamy Keto Lemon Tart Recipe – Low Carb & Sugar-Free Delight!
Craving a dessert that’s tangy, creamy, and fits perfectly into your keto lifestyle? This keto lemon tart is the ultimate sugar-free treat you didn’t know you needed—until now. With a crumbly buttery almond flour crust and a luscious lemon cream filling, it’s as indulgent as guilt-free. You can enjoy every bite at just 5.3 net carbs per slice without compromising your goals!
Table of contents
- What Makes this Lemon Tart So Special?
- What Ingredients Do You Need for a Keto Lemon Tart?
- How to Make Keto Lemon Tart Step by Step
- Tips For Making the Best Sugar-Free Lemon Tart
- Frequently Asked Questions
- How to Customize Your Lemon dessert for Any Occasion
- Ready to Bake Your New Favorite Keto Dessert?
- More Keto Lemon Dessert Inspiration
What Makes this Lemon Tart So Special?
- Keto-Friendly: Packed with low-carb ingredients like almond flour and allulose to keep it keto-approved.
- Gluten-Free: Perfect for anyone with gluten sensitivities or dietary restrictions.
- Customizable: It can easily be made dairy-free or nut-free with a few simple swaps.
- Creamy & Tangy: A perfect balance of bright, lemony zing and velvety smoothness that rivals any traditional tart.
- Buttery Crust: Light, flaky, and the ideal partner to the creamy filling.
This tart isn’t just dessert—it’s your next obsession.
What Ingredients Do You Need for a Keto Lemon Tart?
For the Crust:
- 2 cups almond flour
- 3 Tbsp coconut flour
- ¼ cup powdered allulose (a sugar-free alternative)
- 4 Tbsp unsalted butter, melted
- One large egg
For the Lemon Cream Filling:
- 4 large eggs
- 4 large egg yolks
- 1 cup fresh lemon juice (about 3–4 lemons)
- 1 1/4 cups powdered allulose (adjust to taste)
- ¼ cup heavy cream (for dairy free use coconut cream)
- 1 cup unsalted butter, cubed
How to Make Keto Lemon Tart Step by Step
Prepare the Crust:
- Preheat your oven to 350°F (175°C).
- Mix almond flour, coconut flour, powdered allulose, xanthan gum, and salt in a bowl.
- Add the cold butter cubes and use a pastry cutter (or your hands) to create a crumbly texture.
- Mix in the egg until the dough forms.
- Press the crust dough evenly into a tart pan, smoothing it up the sides. Bake for 10–12 minutes, or until lightly golden. Let cool completely.
Make the Lemon Filling:
- Whisk together egg yolks, lemon juice, lemon zest, and powdered allulose in a saucepan over medium-low heat.
- Stir constantly to avoid curdling until the mixture thickens to a custard-like consistency (about 5–7 minutes).
- Remove from the burner and strain through a fine-mesh sieve for an ultra-smooth texture.
- Whisk in softened butter and heavy cream until fully incorporated and silky.
Assemble the Tart:
- Pour the prepared creamy lemon filling into the cooled crust.
- Smooth the top and refrigerate for at least 3 hours to set.
Serve and Enjoy:
- To add a pop of color, garnish with powdered allulose, fresh raspberries, and mint sprigs. Then slice, serve, and watch it disappear!
Tips For Making the Best Sugar-Free Lemon Tart
- Use Fresh Lemons: Skip the bottled stuff—fresh lemons add brightness and depth of flavor.
- Choose the Right Sweetener: Allulose is a game-changer, ensuring a silky texture without the crystallization that erythritol can cause.
- Prevent Sticking: Line your tart pan with parchment paper for easy removal and clean slices.
- Bake the Crust Ahead: Preparing the Crust a day in advance makes assembly a breeze.
- Strain the Lemon Curd: Don’t skip this step—it guarantees an ultra-smooth, luxurious filling.
Frequently Asked Questions
This tart is keto-friendly because it swaps traditional flour with almond flour and uses allulose as a sugar-free sweetener. This keeps net carbs low at just 5.3g per slice.
What sweetener works best for a keto lemon tart?
Allulose is your best bet for a silky-smooth filling without graininess. Erythritol can crystallize and create a gritty texture, so it’s best avoided here.
Can I freeze this keto lemon tart?
You can freeze the baked pie crust but not the filling. The freezing process negatively affects the texture of the filling, so it is best to make it fresh.
How do I prevent curdling in the lemon curd?
Cook the curd slowly over medium-low heat, stirring constantly. If you spot curdling, just strain the mixture through a fine-mesh sieve to save the day.
How to Customize Your Lemon dessert for Any Occasion
- Decorate with Flair: Dust the top with powdered allulose and use a stencil to create beautiful patterns.
- Add Color: Fresh raspberries and mint leaves make for a stunning and vibrant garnish.
- Mini Tarts: Use a muffin tin to create individual tarts—perfect for parties or portion control!
Ready to Bake Your New Favorite Keto Dessert?
Are you ready to whip up this irresistible keto lemon tart? With its perfect blend of tangy creaminess and buttery goodness, it’s sure to be a hit at any gathering—or just a special treat for yourself. Share your creations in the comments below, and let us know how you customized your tart. Your feedback inspires others to join the keto dessert revolution!
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Lemon Cream Tart - It's So Good! (Low Carb & Keto)
A creamy lemon curd tart bursting with tartness and flakey buttery almond pastry crust. This dessert is low carb, sugar-free, gluten-free and keto-friendly.
Ingredients
Almond Crust
- 2 cups almond flour
- 3 Tbsp coconut flour
- 4 Tbsp unsalted melted butter
- 1 large egg
- ¼ cup powdered allulose (a sugar-free alternative)
Lemon Tart Filling
- 4 large eggs
- 4 large egg yolks
- 1 cup of lemon juice (fresh)
- 1/4 cup heavy cream
- 1 cup of butter cubed
- 1 1/4 cups allulose (test your lemons if they are very tart, add more sweetener)
Instructions
Almond Tart Crust
- Preheat oven to 350F
- Blend almond flour, coconut flour, allulose, and melted butter in a food processor.
- Add 1 egg and blend until the mixture starts to pull away from the side of the food processor bowl.
- You may need to add a Tbsp of water, depending on the dryness of your almond flour. If the mixture is not coming together, add the water.
- Form the tart crust into a disc and place it in the fridge for about 30 minutes. This makes it easier to handle.
- Roll out the dough between two sheets of parchment paper, adding a touch more almond flour if it starts to stick.
- Spread the tart dough out in your tart pan ( 9 inch round, 8-inch square, or 4.5x 14 rectangle) making sure to press into the side of the pan, and cover any holes that form while you're pressing. This takes a bit of patience, just keep pressing and spreading until your tart crust is spread evenly with no breaks.
- Pierce the crust with a fork and bake for 10-12 minutes until golden. Keep an eye out because almond flour tends to darken very quickly.
- Let the crust cool.
Lemon Filling
- Pour an inch of water into the bottom of a medium-sized saucepan and heat to a low simmer.
- Add eggs, egg yolks, lemon juice, allulose, and heavy cream into a separate heat-safe bowl.
- Place the bowl over the pot of simmering water and cook until the mixture coats the back of a spoon. This can take up to 15 minutes. Use a whisk and stir constantly while cooking to avoid burning.
- Once the mixture thickens, add the butter in cubes one at a time and whisk until fully melted.
- Add the filling to the cooled tart crust.
- Cool the dessert to room temperature.
Notes
Nutritional information for the recipe is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site. Erythritol carbs (and sugar alcohols) are not included in carb counts as it has been shown not to impact blood sugar. Net carbs are the total carbs minus fibre.
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Nutrition Information:
Yield: 12 Serving Size: 1Amount Per Serving: Calories: 354Total Fat: 34.1gSaturated Fat: 15gTrans Fat: 1gUnsaturated Fat: 20gCholesterol: 197mgSodium: 225mgCarbohydrates: 7.5gNet Carbohydrates: 4.7gFiber: 2.8gSugar: 1.4gProtein: 8.2g
More Keto Lemon Dessert Inspiration
- Keto Lemon Cheesecake with Lemon Curd Topping
- Keto Lemon Cookie Recipe With Lemon Chocolate Glaze
- Low Carb Lemon Pound Cake With Candy Lemons
- Quick & Easy Keto Lemon Curd
- The Best Ever Glazed Keto Lemon Muffins
- Creamy Lemon Gelato made Without Sugar and Carbs
- Luscious Keto Lemon Cake (Gluten-Free & Low Carb)
- Our Very Best Keto Lemon Desserts
Editor’s Note: This post was originally published on April 13, 2019. It was updated on December 5, 2024, for increased clarity and improved reader experience.
