Mix all ingredients in blender container and blend until smooth. Start with 2 tablespoons of sugar and taste. Sugar will depend on how sweet/ ripe the berries are.
Place in frozen ice cream maker bowl. Churn for 15 to 20 minutes, according to ice cream maker manufacturer's instruction.
Freeze at least 2-4 hours until well frozen.
Notes
Keep product frozen. Will keep for about 1 month.Serve with mint for garnish, if desired.