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Keto Mixed Berry Cheesecake - Creamy, Low-Carb, and Crowd-Pleasing

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Prep Time 20 minutes
Cook Time 1 hour
Total Time 1 hour 20 minutes
Servings: 12 servings
Ingredients Method

Ingredients
  

  • For the crust: 1 1/2 cups fine almond flour
  • 3 tablespoons granulated keto sweetener (allulose or erythritol blend)
  • 1/4 teaspoon fine sea salt
  • 5 tablespoons unsalted butter, melted
  • 1 teaspoon vanilla extract
  • For the filling: 24 ounces (3 bricks) full-fat cream cheese, softened
  • 3/4 cup granulated keto sweetener (preferably allulose for smoothness)
  • 3 large eggs, room temperature
  • 3/4 cup full-fat sour cream, room temperature
  • 1 teaspoon lemon zest
  • 1 tablespoon lemon juice
  • 2 teaspoons vanilla extract
  • Pinch of salt
  • For the berry topping: 2 cups mixed berries (strawberries sliced, blueberries, raspberries, blackberries)
  • 2–3 tablespoons powdered keto sweetener (adjust to taste)
  • 1 teaspoon lemon juice
  • Optional: 1/2 teaspoon gelatin sprinkled over 1 tablespoon cold water for a lightly set glaze
  • Equipment: 9-inch springform pan
  • Electric mixer (hand or stand)
  • Large roasting pan (for a water bath) and foil, or a low oven and slow cool-down
  • Parchment paper

Method
 

  1. Prep the pan and oven: Heat oven to 325°F (163°C). Line the bottom of a 9-inch springform pan with parchment and lightly grease the sides.
  2. Mix the crust: In a bowl, combine almond flour, sweetener, and salt. Stir in melted butter and vanilla until it resembles damp sand.
  3. Press and pre-bake: Press the crust firmly into the pan’s bottom. Bake for 10 minutes until lightly golden. Cool for 5–10 minutes.
  4. Make the filling base: In a large bowl, beat softened cream cheese with sweetener on low-medium until smooth, about 2 minutes. Scrape the bowl often.
  5. Add flavor and creaminess: Beat in sour cream, lemon zest, lemon juice, vanilla, and salt until just combined.
  6. Add eggs gently: Beat in eggs one at a time on low, mixing just until incorporated. Avoid overmixing to reduce air bubbles.
  7. Assemble: Pour filling over the par-baked crust. Tap the pan on the counter a few times to release trapped air.
  8. Choose your baking method: With water bath (best for no cracks): Wrap pan base with heavy foil. Place in a roasting pan, pour hot water halfway up the sides, and bake 55–70 minutes until edges are set and the center wobbles slightly.
  9. Without water bath: Bake 55–65 minutes. Turn the oven off, crack the door, and let it sit 45–60 minutes to cool slowly.
  10. Chill completely: Cool to room temperature, then cover and refrigerate at least 6 hours, preferably overnight. This sets the texture.
  11. Make the berry topping: Toss berries with powdered sweetener and lemon juice. For a lightly set glaze, bloom gelatin in cold water 5 minutes, melt gently, and fold into the berries.
  12. Finish and serve: Release the cheesecake from the pan, spoon berries on top, and slice with a hot, clean knife. Serve chilled.