Blend avocado slices into about 2 cups of puree.

In a mixing bowl, mix half and half, condensed milk and avocado puree. Taste for sweetness.

In a second bowl, add whipping cream and beat until peaks form.

Slowly add the avocado mixture and fold into the cream mixture.

Pour mixture into air-tight container.

Close container and freeze for 4-6 hours or overnight