Keto Lemon Sour Cream Pie

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This creamy, tangy low carb sour cream pie will become your favourite spring dessert. With an easy grain-free press-in pie crust, it’s simple to make too.


Prep Time: 10 minutes
Cook Time: 10 minutes
Chill Time: 4 hours
Total Time: 20 minutes
Servings: 10 servings


  • 1 recipe press-in pie crust baked
  • 1 cup heavy cream
  • 4 large egg yolks
  • 1/3 cup freshly squeezed lemon juice
  • 1 tbsp lemon zest
  • 1/4 cup butter chilled and cut into pieces
  • 1 tsp lemon extract
  • 1/4 tsp xanthan
  • 1/2 to 3/4 cup powdered Swerve Sweetener
  • 1 cup full fat sour cream


  1. In a large saucepan over medium heat, combine cream, egg yolks, lemon juice, and lemon zest. Cook, whisking frequently, until mixture thickens, about 5 to 8 minutes (but watch carefully, you do not want it to curdle).
  2. Remove from heat and add butter and lemon extract. Sprinkle with xanthan gum and whisk quickly to combine. Stir in sweetener to taste (I like mine rather tart).
  3. Whisk in sour cream until no lumps remain. Pour into pie shell and refrigerate for at least 4 hours to set – the longer, the better, so overnight is best if you can wait that long. (It’s also awesome if you pop it in the freezer for an hour after being refrigerated).
  4. Top with lightly sweetened whipped cream.


Serves 10. Each serving has 3.92g NET CARBS. (this includes the pie crust)

| Food energy: 330kcal | Total fat: 31.05g | Calories from fat: 279 | Cholesterol: 142mg | Carbohydrate: 5.74g |Total dietary fiber: 1.82g | Protein: 5.77g | Sugar alcohols (erythritol): 18g |

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