For the avocado ice cream, first peel the avocado and remove the pit. Mash together with the lemon juice. Bring the milk and whipping cream to the boil. Mix sugar, dextrose and salt in the hot milk. Allow to cool to about 10 degrees.
Mix avocado puree in the milk. Mix all ingredients thoroughly to make avocado ice cream. Preparation time in the ice cream maker about 45 minutes.