Preheat the oven to 170°C (338°F).
Leave the cream cheese at room temperature to soften.
Add the cream cheese and Greek yogurt to a bowl and mix well.
Add erythritol and egg, then mix until well combined.
Add almond flour and mix until fully incorporated.
Divide the batter evenly into muffin molds.
Bake in the oven at 170°C for 18–20 minutes.
Cool completely, then refrigerate for at least 2 hours before serving.