Add all the ingredients to a blender or food processer and blend until smooth;
Pour the mixture into a bowl, cover and refrigerate for at least 1-2 hours;
One the mixture has chilled, pour into your ice cream maker and churn according to manufacturer instructions (see notes below if you don't have an ice cream maker);
Pour half of the ice cream mixture into a chilled loaf pan or other freezer safe container for the ice cream;
Next add spoonfulls of the blueberry sauce on top of the ice cream (save some for the top);
Top with the remaining ice cream and then dollop more blueberry sauce on top;
Use a flat-knife to swirl the berry sauce into the ice cream;
Cover and freeze for 3-4 hours before serving.