Leave the cream cheese at room temperature to soften.
Add erythritol to the cream cheese and mix well with a whisk.
Add eggs one at a time, mixing well after each addition.
Add heavy cream and mix until evenly combined.
Add vanilla extract and salt.
Sift in almond flour and mix until smooth.
Line a baking pan with parchment paper and pour in the batter.
Bake in a preheated oven at 200°C (392°F) for 20–25 minutes.
Let cool completely and chill in the refrigerator for at least 3 hours until well set.