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+ servings
A small bowl of low carb lemon curd, along with lemon slices and a spoon of curd.
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5 from 1 vote

Easy Keto Lemon Curd Recipe

This Keto Lemon Curd recipe whips up in just a few minutes, and is indistinguishable from the full sugar original. A tasty & versatile low carb condiment!
Prep Time5 minutes
Cook Time7 minutes
Chilling Time1 hour
Total Time1 hour 12 minutes
Course: Condiment, Dessert
Cuisine: British
Diet: Diabetic, Gluten Free
Servings: 13 Servings (About 1 ⅔ cups)
Calories: 103kcal

Equipment

  • Whisk

Ingredients

  • 1-2 Lemons
  • 1 cup Allulose ¾ cup if using a cup-for-cup sugar substitute
  • 3 Large Egg Yolks
  • 1 Large Egg
  • 6 tablespoon Salted Butter Chilled and cut into pieces.

Instructions

  • Zest the lemons.
  • Add the zest and sugar substitute to your mini food processor, blitz until zest is finely chopped and well incorporated in the sugar. Note: See post for details on skipping this step.
  • Juice your lemon(s), measuring out ⅓ cup of the juice.
  • In a small pot, whisk together egg yolks, large egg, and lemon sugar until well combined. Add the ⅓ cup of juice, whisk until well combined.
  • Cook over medium heat, whisking constantly, until mixture thickens.
    It should be able to coat the back of a spoon and retain a clear trail when a finger is dragged across the back of the spoon.
    Ideally, you want the mixture to reach at least 165F - I use an instant read meat thermometer for this.
  • You’ll know it’s ready when the bubbles / foam incorporate into the curd.
  • If you want to strain the curd, press it through a metal strainer at this point.
  • Once mixture is thick / hot enough, transfer to a bowl. Add the chilled butter, whisking until fully melted and well incorporated.
  • Once all of the butter has melted in and been fully incorporated into the curd, transfer to your storage container and chill for at least 1 hour before use.

Notes

Lemon curd will last for 2 weeks in the fridge, or a few months in the freezer. (Thaw overnight in the fridge before use!)
10.5 grams of carbs per serving come from sugar alcohols, leaving only 0.5 g net carbs per serving!

Nutrition

Serving: 2tablespoon | Calories: 103kcal | Carbohydrates: 11g | Protein: 1g | Fat: 7g | Saturated Fat: 4g | Polyunsaturated Fat: 0.4g | Monounsaturated Fat: 2g | Trans Fat: 0.2g | Cholesterol: 71mg | Sodium: 8mg | Potassium: 11mg | Sugar: 9g | Vitamin A: 240IU | Calcium: 9mg | Iron: 0.2mg
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