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3.94 from 47 votes

Keto Lemon Bars Recipe

Keto Lemon Bars recipe that is hands down our favorite low carb dessert right now. Made with simple ingredients and packed with delicious lemon flavor. Bonus! They are gluten-free.
Prep Time10 mins
Cook Time42 mins
Resting Time10 mins
Total Time52 mins
Course: Dessert
Cuisine: Gluten-Free, Keto, Low Carb
Keyword: Keto Lemon Bars, Low Carb Lemon Bars
Servings: 24 squares
Calories: 97kcal
Author: Lindsay


Lemon Bar Crust

Lemon Bar Filling

  • 5 whole eggs
  • 3/4 cup erythritol
  • zest of one lemon
  • 1/3 cup fresh lemon juice apprx 2 lemons
  • 1/2 teaspoon baking powder
  • 1/2 Tablespoons coconut flour


  • Preheat oven to 350 degrees F
  • Prepare 9x13 pan by greasing with cooking spray or butter.
  • In a small bowl mix together almond flour and powdered sweetener. Add melted butter and combine with your hands to mix together until it forms into a dough. Push dough into bottom of greased 9x13 pan.
  • Bake for 15-17 minutes.
  • Mix eggs, erythritol, lemon zest, lemon juice, baking powder and coconut flour in a blender. Blend for 10 seconds, scrape the sides and blend for 5 more seconds. Pour filling mixture into baked crust.
  • Bake for 20-25 minutes, or until filling has a crust and bounces back in the center when touched. Sprinkle additional low carb powdered sweetener over bars at this time. Allow lemon bars to cool 10-15 minutes before slicing. 



Please not that there are 36 grams of sugar alcohol in the entire recipe and should be accounted for if you calculate the net carbs. We explain this a little more in detail in the above post.


Serving: 1square | Calories: 97kcal | Carbohydrates: 4.7g | Protein: 2.4g | Fat: 9g | Saturated Fat: 2.9g | Polyunsaturated Fat: 0g | Monounsaturated Fat: 0g | Trans Fat: 0g | Cholesterol: 10.75mg | Sodium: 35mg | Potassium: 11.8mg | Fiber: 1.4g | Sugar: 0.5g