Keto Sugar-Free Crustless Cheesecake

Prep: 15 minCook: 45 min1 cheesecakemedium
Sugar-Free Crustless Cheesecake with Swerve Sweetener

This silky smooth crustless cheesecake delivers all the rich, tangy flavors of traditional cheesecake without the carbs. Made with cream cheese, sour cream, and sugar-free Swerve sweetener, it's baked in a water bath for an ultra-creamy texture. The gentle stevia and vanilla create perfect sweetness while lemon juice adds brightness. Perfect for special occasions or when you want an indulgent dessert that fits low-carb lifestyles. The crustless design makes it simple to prepare and removes the need for graham crackers or flour-based crusts.

Ingredients

Yield: 1 cheesecake
  • 24 ounces cream cheese, softened
    mascarpone1:1rich

    richer flavor

    Full guide →
  • 1 egg yolks
  • ½ cup sour cream
  • 1 teaspoon lemon juice
  • 1 teaspoon liquid stevia
    monk fruit liquid1:1ketosugar-free

    different sweetness profile

  • 2 teaspoons vanilla extract
  • cup Swerve Sweetener, confectioner's sweetener
    erythritol1:1ketosugar-free

    slightly less sweet

    Full guide →
  • 1 teaspoon baking powder
  • ¼ teaspoon salt

Instructions

  1. 1

    Preheat oven to 325 degrees F

  2. 2

    Combine all ingredients in stand mixer or with electric hand mixer until smooth with no clumps

  3. 3

    Grease 8 inch spring form pan and pour batter into pan

  4. 4

    Even off the top then wrap bottom of pan with aluminum foil

  5. 5

    Place spring form pan into large roasting pan

  6. 6

    Fill roasting pan with hot water until halfway up sides of spring form pan

  7. 7

    Bake for 45 minutes

  8. 8

    Turn off oven without opening door

  9. 9

    Let cheesecake stay in oven for 1 hour

  10. 10

    Remove cheesecake from oven and remove aluminum foil

  11. 11

    Cover cheesecake with plastic wrap

  12. 12

    Refrigerate for 2-3 hours or overnight

  13. 13

    Top with sugar free whipped cream and sugar free maple syrup if desired

Tips

Tip 1

Soften cream cheese completely at room temperature for 2-3 hours to prevent lumps in the final texture.

Tip 2

The water bath prevents cracking by providing gentle, even heat - make sure water reaches halfway up the pan.

Tip 3

Don't open the oven door during the hour-long cooling period as temperature changes can cause cracks.

Good to Know

Storage

Refrigerate covered up to 5 days

Make Ahead

Can be made 1-2 days ahead, actually improves with time

Serve With

Serve chilled, optionally topped with sugar-free whipped cream

Common Mistakes

Watch

Don't skip softening cream cheese completely to avoid lumps

Watch

Don't open oven door during cooling hour to prevent cracking

Substitutions

Swerve
erythritol1:1ketosugar-free

slightly less sweet

Full guide →
liquid stevia
monk fruit liquid1:1ketosugar-free

different sweetness profile

cream cheese
mascarpone1:1rich

richer flavor

Full guide →
Find more substitutions →

FAQ

Can I freeze this cheesecake?

Yes, wrap tightly and freeze up to 2 months. Thaw overnight in refrigerator before serving.

What if I don't have a spring form pan?

Use a regular 9-inch cake pan lined with parchment, though removal will be more difficult.

How long will this keep in the fridge?

Properly covered, it stays fresh for up to 5 days and actually improves after the first day.