Instead of erythritol, use 100% monk fruit extract.
Steep Earl Grey tea bags in warm almond milk for 10 minutes.
Remove the tea bags and let the milk cool.
In a bowl, mix the steeped almond milk, erythritol, whipping cream, and vanilla extract until well combined.
Pour into an ice cream maker and churn.
Freeze the finished ice cream for 2 hours before serving.