Carrot Ice-Cream

8 medium-sized carrots;
1 litre milk;
200 g sugar;
salt

Peel the carrots and cut into small pieces. Place them in a food processor or blender and process. Strain and mix the juice with the milk and sugar. Cook over a medium heat for 15 minutes or 5 minutes in the microwave, stirring from time to time. Then leave to cool. Add a pinch of salt, whisk lightly and chill in the freezer for 3 hours, stirring every hour.