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Keto Lemon Bars

Prep Time 15 minutes
Cook Time 35 minutes
Total Time 50 minutes
Servings 16 small squares
Calories 130
Tangy and sweet keto lemon bars with a buttery almond flour crust. A refreshing, low-carb, and gluten-free dessert that’s perfect for spring, summer, or anytime you crave citrus flavor.

Ingredients

For the crust

  • 1 ½ cups almond flour
  • ¼ cup powdered erythritol
  • ½ cup butter (melted)
  • Pinch of salt

For the lemon filling

  • 4 large eggs
  • ¾ cup powdered erythritol or monk fruit sweetener
  • ½ cup fresh lemon juice (about 3–4 lemons)
  • 1 tbsp lemon zest
  • 2 tbsp coconut flour

Optional

  • powdered erythritol for dusting

Instructions 

  • Preheat oven to 350°F. Line an 8x8-inch baking dish with parchment paper.
  • In a bowl, mix almond flour, erythritol, melted butter, and salt until crumbly. Press mixture evenly into baking dish.
  • Bake crust 10–12 minutes, until lightly golden. Remove from oven.
  • In another bowl, whisk eggs, erythritol, lemon juice, zest, and coconut flour until smooth.
  • Pour filling over baked crust.
  • Bake 20–25 minutes, until filling is set and slightly firm in the center.
  • Cool completely before cutting into squares. Dust with powdered erythritol if desired.
Calories: 130kcal
Course: Snacks & Desserts
Cuisine: American
Keyword: almond flour crust bars, dessert, keto lemon bars, low carb / keto, low carb lemon dessert, sugar-free lemon squares