Put the 1/2 cup cream, milk, swerve, chocolate and vanilla in a vitamix blender.
Add the lid and turn to high.
Process on highest speed for about 4 minutes. (You are heating the mixture)
Add the yogurt and cream and mix on low for a few seconds.
Pour yogurt mixture into a bowl and stir in chocolate chips and place in refrigerator for a day.
Remove and add yogurt to an ice cream machine.
Follow ice cream machine instructions.
Once frozen you can serve or place in freezer to firm up more.