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Keto Lemon Curd Recipe

This smooth and creamy keto lemon curd is made with just 5 simple ingredients. It’s sweet, sharp, and perfect for low-carb desserts, fat bombs, or straight from the spoon.

Ingredients

Scale
  • 4 large egg yolks

  • 1/2 cup powdered erythritol (like Swerve or Lakanto)

  • 1/3 cup fresh lemon juice (about 23 lemons)

  • 1 tablespoon lemon zest

  • 1/2 cup unsalted butter, cut into cubes

  • (Optional: pinch of salt)

Instructions

  • In a small saucepan, whisk together egg yolks, lemon juice, lemon zest, and powdered erythritol before turning on the heat.

  • Turn heat to low. Cook while whisking non-stop for about 5–8 minutes, until it thickens. Do not boil.

  • Remove from heat. Add butter a few cubes at a time, whisking until smooth and glossy.

  • Strain through a fine mesh sieve for extra smoothness (optional).

  • Pour into a jar or bowl. Cover the surface with plastic wrap. Chill for at least 1 hour before using.

Notes

  • Use fresh lemon juice for best flavor.

  • Powdered sweetener only—granular won’t melt properly.

  • Keeps in the fridge for up to 10 days.

  • Can be frozen in small containers and thawed in fridge.

  • Works great in keto desserts, yogurt, fat bombs, and more.

Nutrition