Soak raisins in rum or port wine for at least 3 hours, or preferably overnight, to intensify their flavor.
Take a large bowl to blend heavy whipping cream and condensed milk. If desired, add almond or rum extract to the mixture at this stage.
Drain the soaked raisins and incorporate them into the creamy mixture, ensuring even distribution.
While continuously stirring, slowly introduce the vanilla extract to the mixture.
Transfer the combined mixture into a freezer-safe container and freeze for approximately 8 hours.
Once frozen, scoop out servings of Ice Cream to enjoy.