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A slice of low carb lemon cheesecake topped with lemon zest.
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5 from 25 votes

Low Carb Lemon Cheesecake

Zingy and refreshing, this low carb lemon cheesecake tart is a heavenly creamy highlight to any meal. Your family will never guess it's sugar free! Keto, gluten free and diabetic-friendly.
Prep Time10 minutes
Cook Time20 minutes
Cooling Time2 hours
Total Time30 minutes
Course: Dessert
Cuisine: British
Diet: Diabetic, Gluten Free
Servings: 12
Calories: 263kcal

Equipment

  • pie pan with a removable bottom

Ingredients

For the base

For the filling

  • 10.5 oz cream cheese 300g, room temperature
  • 10.5 oz sour cream 300g
  • 1 lemon, zest and juice
  • 2 tablespoon powdered sweetener (or more, to taste)
  • 1 pack gelatine 12g

Instructions

  • Preheat the oven to 180 Celsius / 350 Fahrenheit (electric). Line the bottom of a tart/pie dish with parchment paper and grease the sides.
  • In a blender or with a hand mixer (use a tall jug), blend the ingredients for the tart base until they resemble sticky crumbles and the coconut is starting to release its oils. 
  • Press the dough into a tart or pie dish with your fingers. My dish measured 22 cm at the bottom and 26 cm at the top.  
  • Bake for around 20 minutes until the tart crust is lightly browned.
  • Remove from the oven and let it cool down. Then remove tart base from the pan. 
  • Mix the cream cheese, sour cream, sweetener, lemon juice and zest in a bowl until smooth. 
  • Dissolve your gelatine according to your manufacturer's instructions (I dissolved mine in a few tablespoons of hot water) and add to the filling mix. Blend and fill into the tart base.   
  • Cool the tart in the fridge until set, a minimum of 2 hours or overnight. Decorate with more lemon zest or to your liking.

Video

Notes

4.3g net carbs per slice. Makes 12 generous slices. The tart could also yield 16 smaller slices.
Option to top the tart with a layer of whipped cream or sugar free lemon curd
Store in the fridge for up to 5 days or freeze pre-sliced for up to 3 months.
 

Nutrition

Calories: 263kcal | Total Carbohydrates: 5.8g | Protein: 7g | Fat: 24.9g | Saturated Fat: 8.7g | Fiber: 1.5g | Sugar: 2.5g