Polish Sernik, Keto Cheesecake

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Stary Rynek (Old Market Square)

📍 Where this dish comes from: Poznań · Stary Rynek (Old Market Square)
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Polish Sernik, Keto Cheesecake, plated and ready to serve

Sernik is Poland’s genuine national cheesecake, traditionally made with twaróg rather than cream cheese for a denser, slightly grainier texture than its American cousin. This version keeps that same character, sweetened with a sugar-free sweetener and baked over an almond flour crust.

What You’ll Need

Ingredients for Polish Sernik, Keto Cheesecake

Polish Sernik, Keto Cheesecake

Poland's beloved twaróg cheesecake, rebuilt sugar-free with an almond flour crust.
Prep Time: 20 minutes
Cook Time: 1 hour
Total Time: 1 hour 20 minutes
Course: Dessert
Cuisine: Polish
Servings: 10 servings
Calories: 310kcal

Ingredients

  • 1 1/2 cups almond flour plus 4 tbsp melted butter for the crust
  • 2 lbs twaróg (Polish farmer's cheese) or well-drained cottage cheese
  • 4 large eggs
  • 3/4 cup granulated sugar-free sweetener
  • 1/3 cup heavy cream
  • 1 tbsp vanilla extract
  • 2 tbsp lemon zest
  • Pinch salt

Instructions

  • Preheat oven to 325°F (165°C). Mix almond flour and melted butter, then press into the bottom of a 9-inch springform pan. Bake 10 minutes, then cool slightly.
  • Beat twaróg until smooth. Add eggs one at a time, beating well after each addition.
  • Mix in sweetener, cream, vanilla, lemon zest, and salt until smooth.
  • Pour filling over the crust.
  • Bake 50–60 minutes until the center is just set with a slight jiggle.
  • Turn off the oven and let the cheesecake cool inside with the door cracked for 1 hour.
  • Chill in the fridge at least 4 hours, ideally overnight, before slicing.

Nutrition

Serving: 1serving | Calories: 310kcal | Protein: 12g | Fat: 26g | Fiber: 2g
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Cooking Polish Sernik, Keto Cheesecake in the kitchen

Health Benefits

  • Twaróg provides a substantial protein boost compared to a traditional cream cheese cheesecake.
  • Almond flour adds vitamin E and healthy fats in place of a refined wheat crust.
  • Using a sugar-free sweetener avoids the blood sugar spike of a traditional sernik.
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