Sugar-Free Cheesecake Recipe
A granulated erythritol-monk fruit blend swaps in for sugar at a 1:1 measure without changing the batter's texture, and a water bath keeps the filling gently insulated so it sets into a dense, silky custard instead of drying out or cracking, which is the biggest risk with sugar substitutes since they don't caramelize or hold moisture quite like real sugar.
- Prep
- 25 min
- Cook
- 65 min
- Total
- 450 min
- Servings
- 12
Ingredients
- 2 cups almond flour
- 6 tbsp unsalted butter, melted
- 3 tbsp granulated sugar substitute (erythritol/monk fruit blend), for crust
- 1/2 tsp ground cinnamon
- 32 oz cream cheese, softened
- 1 cup granulated sugar substitute (erythritol/monk fruit blend), for filling
- 4 large eggs
- 1 cup sour cream
- 2 tsp vanilla extract
- 1 tbsp lemon juice
- 1/4 tsp salt
Nutrition per serving
- Calories
- 484
- Protein
- 11g
- Carbs
- 12g
- Fat
- 47g
Based on the recipe as written, one serving. Recalculates if you swap an ingredient above. An estimate only, exact values depend on the specific ingredients used.
Need different units or a different yield? Try our Conversion Calculator →
Instructions
- 1Preheat the oven to 325°F (163°C). Wrap the outside of a 9-inch springform pan tightly in two layers of heavy-duty foil to prepare for a water bath.
- 2Stir together the almond flour, melted butter, sugar substitute, and cinnamon until the mixture looks like wet sand. Press firmly into an even layer on the bottom of the prepared pan. Bake for 10 minutes, then set aside to cool while making the filling.
- 3In a large bowl, beat the softened cream cheese and sugar substitute on medium speed until completely smooth with no lumps, 2-3 minutes, scraping down the sides of the bowl as needed.
- 4Add the eggs one at a time, beating on low speed just until each is incorporated before adding the next.
- 5Beat in the sour cream, vanilla, lemon juice, and salt until just combined.
- 6Pour the filling over the cooled crust. Set the springform pan inside a large roasting pan and pour boiling water into the roasting pan until it reaches about halfway up the sides of the springform pan.
- 7Bake for 55-65 minutes, until the edges are set and matte but the center still jiggles slightly, like set gelatin, when the pan is nudged.
- 8Turn off the oven and crack the door open; let the cheesecake sit in the cooling oven for 1 hour. Remove from the water bath, run a thin knife around the edge to loosen it, and refrigerate uncovered for at least 6 hours, ideally overnight, before unmolding and slicing.
Tips & variations
- Swap the erythritol/monk fruit blend for an equal amount of allulose if the filling seems grainy after chilling; allulose dissolves more completely and won't recrystallize the way straight erythritol sometimes does.
- Add 1 tablespoon of finely grated lemon or orange zest to the filling for a brighter flavor that plays well against the almond crust.
- For a nut-free crust, swap the almond flour for an equal weight of finely crushed unsweetened pork rinds mixed with the same butter and sweetener.
- Top chilled slices with a quick sugar-free berry compote (berries simmered with a spoonful of the same sweetener and a squeeze of lemon) instead of a sugary fruit topping.
Storage & reheating
Cover and refrigerate the cheesecake for up to 5 days; it actually firms up and slices more cleanly after a full 24 hours chilled. To freeze, wrap individual slices tightly in plastic wrap, then foil, and freeze for up to 2 months; thaw overnight in the refrigerator before serving.
Tips from the Tulo kitchen
- Room-temperature cream cheese is essential here; cold cream cheese straight from the fridge won't beat smooth and leaves small lumps baked into the filling.
- Resist the urge to open the oven door during baking; the temperature drop can cause the center to sink as it finishes setting.
FAQ
Can I use a different sugar substitute?
Yes. Any granulated erythritol or monk fruit blend measured cup-for-cup works well. Liquid sweeteners like stevia drops behave differently and will change the texture, so they're not a direct swap here.
Why did my sugar-free cheesecake crack on top?
Cracking almost always comes from overbeating the eggs into the batter or skipping the water bath; both cause the filling to rise too fast and then collapse as it cools.
Can I skip the water bath?
It's not recommended for this recipe. Without the water bath, the edges of a sugar-free filling tend to overbake and dry out well before the center is set, since sugar substitutes hold less moisture during baking than sugar does.
Is this cheesecake keto-friendly?
Yes, as written it's low in net carbs since both the crust and filling use almond flour and a non-nutritive sweetener instead of flour and sugar.
