Keto Lemon Bars – Easy Sugar-Free Recipe

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Keto Lemon Bars on a plate
Keto Lemon Bars

Our Keto Lemon Bars are fresh, zesty, sweet and delicious! They are a great snack or dessert to have you dreaming of sunshine and warm weather.

Prefer a different sweetener to Natvia? Just swap it out for your preferred sweetener – we like Natvia as it is a granulated blend of erythritol and stevia and cancels out any unpleasant aftertastes.

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This Keto Lemon Bars recipe makes 16 serves. 1 serving is one bar and has 2g net carbs.

Leftover Low Carb Lemon Bars can be stored in the fridge for up to 1 week. We don’t recommend freezing them.

Keto Lemon Bars Ingredients

Keto Lemon Bars crust ingredients in a food processor
Keto Lemon Bars Ingredients
  • Base Ingredients:
  • 1 ¼ cups of Almond Flour
  • ¼ cup of Natvia
  • 2 ounces of Unsalted Butter, cold & cubed
  • Pinch of Salt
  • Filling Ingredients:
  • 1 cup of Lemon Juice
  • Zest of 1 Lemon
  • 2/3 cup of Natvia
  • 4 ounces of Unsalted Butter
  • ½ teaspoon of Xanthan Gum
  • 5 Whole Eggs
  • 2 Egg Yolks

How to make Keto Lemon Bars

Keto Lemon Bars on a plate
How to make Keto Lemon Bars
  1. How to make the Base:
  2. Preheat your oven to 175C/350F. Line an 8×8 baking dish with parchment paper and set aside.
  3. In your food processor, add all the base ingredients and blend until a dough is formed.
  4. Press the dough evenly into the base of your prepared baking dish.
  5. Bake for 15-18 minutes, until the base is lightly browned. Set aside.
  6. How to make the Filling:
  7. Reduce the oven to 160C/320F.
  8. In a small saucepan add the lemon juice, zest, Natvia and butter and place over medium heat.
  9. When the mixture is simmering, sprinkle over the xanthan gum, remove from the heat and whisk well. Set aside to cool for 10 minutes.
  10. In a mixing bowl add the 5 whole eggs and 2 yolks. Mix together using your hand mixer.
  11. While the hand mixer is running on medium speed, slowly pour the warm lemon mixture into the eggs.
  12. Once combined pour the mixture through a fine strainer to remove any lumps.
  13. Pour over the cooled base and return to the oven for 20-30 minutes, until the custard has set.
  14. Remove from the oven and cool at room temperature for 20 minutes before placing into the fridge for 40 minutes, or until chilled through.
  15. Cut into 16 pieces and enjoy!
Keto Lemon Bars on a plate

Keto Lemon Bars Recipe

Our Keto Lemon Bars are fresh, zesty, sweet and delicious! They are a great snack or dessert to have you dreaming of summer.
4.75 from 8 votes
Print Pin Rate
Course: Dessert, Desserts, Snack, Snacks
Cuisine: American
Prep Time: 15 minutes
Cook Time: 50 minutes
Cooling: 40 minutes
Total Time: 1 hour 45 minutes
Servings: 16 servings
Calories: 162kcal
Author: Gerri

Ingredients

Base

Filling

Instructions

Base

  • Preheat your oven to 175C/350F. Line an 8x8 baking pan with parchment paper and set aside.
  • In your food processor, add all the base ingredients and blend until a dough is formed.
  • Press the dough evenly into the base of your prepared baking dish.
  • Bake for 15-18 minutes, until the base is lightly browned. Set aside.

Filling

  • Reduce the oven to 160C/320.
  • In a small saucepan add the lemon juice, zest, Natvia and butter and place over medium heat.
  • When the mixture is simmering, sprinkle over the xanthan gum, remove from the heat and whisk well. Set aside to cool for 10 minutes.
  • In a mixing bowl add the 5 whole eggs and 2 yolks. Mix together using your hand mixer.
  • While the hand mixer is running on medium speed, slowly pour the warm lemon mixture into the eggs.
  • Once combined pour the mixture through a fine strainer to remove any lumps.
  • Pour over the cooled base and return to the oven for 20-30 minutes, until the custard has set.
  • Remove from the oven and cool at room temperature for 20 minutes before placing into the fridge for 40 minutes, or until chilled through.
  • Cut into 16 pieces and enjoy!

Nutrition

Calories: 162kcal | Carbohydrates: 3g | Protein: 5g | Fat: 15g | Saturated Fat: 7g | Cholesterol: 113mg | Sodium: 30mg | Potassium: 43mg | Fiber: 1g | Sugar: 1g | Vitamin A: 394IU | Vitamin C: 6mg | Calcium: 35mg | Iron: 1mg
Keto Lemon Bars on a plate
Low Carb Lemon Bars

Looking for more Keto Desserts, try our;

To make a larger batch of this Keto Lemon Bars recipe, adjust the serving amounts in our recipe card above.

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