4.06 from 37 votes
Keto Lemon Bars Recipe
Prep Time
10 mins
Cook Time
42 mins
Resting Time
10 mins
Total Time
52 mins

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.

Course: Dessert
Cuisine: Gluten-Free, Keto, Low Carb
Keyword: Keto Lemon Bars, Low Carb Lemon Bars
Yield: 24 squares
Calories: 97 kcal
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
  1. Preheat oven to 350 degrees F

  2. Prepare 9x13 pan by greasing with cooking spray or butter.

  3. 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.

  4. Bake for 15-17 minutes.

  5. 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.

  6. 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. 

Recipe Video

Recipe Notes

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.

Nutrition Facts
Keto Lemon Bars Recipe
Amount Per Serving (1 square)
Calories 97 Calories from Fat 81
% Daily Value*
Fat 9g14%
Saturated Fat 2.9g18%
Trans Fat 0g
Polyunsaturated Fat 0g
Monounsaturated Fat 0g
Cholesterol 10.75mg4%
Sodium 35mg2%
Potassium 11.8mg0%
Carbohydrates 4.7g2%
Fiber 1.4g6%
Sugar 0.5g1%
Protein 2.4g5%
* Percent Daily Values are based on a 2000 calorie diet.