Keto Lemon Bars (Sugar-Free & Gluten-Free)

Keto Lemon Bars (Sugar-Free & Gluten-Free)

These zesty, creamy keto lemon bars feature a buttery almond flour crust topped with a silky-smooth citrus filling. Perfect for anyone following a low-carb or keto lifestyle!

Key Info

• Prep Time: 15 minutes
• Cook Time: 35-40 minutes
• Total Time: 50-55 minutes
• Servings: 16 bars
• Difficulty: Moderate
• Diet: Keto, Low-Carb, Gluten-Free, Sugar-Free

Equipment Needed

• 9×9-inch baking pan
• 2 mixing bowls
• Electric hand mixer or stand mixer
• Measuring cups and spoons
• Whisk
• Spatula
• Zester

Ingredients

For the Crust:

• 2 cups almond flour (224g)
• ¼ teaspoon sea salt
• ¼ cup butter, melted (57g)
• 1 large egg, room temperature
• 1 teaspoon vanilla extract

For the Filling:

• ¾ cup fresh lemon juice (180ml)
• Zest of 1 lemon
• ¾ cup powdered keto sweetener (90g)
• 6 large eggs, room temperature
• 1 teaspoon coconut flour (optional, for thickening)

Method

1. Preheat your oven to 350°F (175°C). Line a 9×9-inch baking pan with parchment paper.
2. Make the Crust:
   • Mix almond flour and salt in a bowl
   • Add melted butter, egg, and vanilla
   • Stir until a dough forms
   • Press evenly into prepared pan
   • Bake for 15-20 minutes until lightly golden

3. While crust bakes, prepare filling:
   • Whisk together lemon juice, zest, and sweetener
   • Add eggs one at a time, whisking well
   • Add coconut flour if using
   • Mix until completely smooth

4. Pour filling onto warm crust

5. Return to oven and bake for 20-25 minutes until filling is set but still slightly jiggly in center
6. Cool completely at room temperature, then refrigerate for at least 2 hours

Crucial Tips

Success Factors:

• Use room temperature ingredients
• Don’t overbake – filling should be set but slightly wobbly
• Cool completely before cutting
• Use powdered sweetener to avoid graininess

Storage:

• Keep refrigerated up to 5 days
• Can be frozen for up to 3 months
• Best served chilled

Common Mistakes:

• Using cold eggs (causes curdling)
• Overbaking (causes cracks)
• Not cooling properly before cutting

Variations:

• Add cream cheese to filling for cheesecake bars
• Use lime instead of lemon
• Top with keto whipped cream
• Add fresh berries as garnish

Nutritional Info (per bar):

• Calories: 165
• Net Carbs: 2g
• Protein: 6g
• Fat: 14g