Put the fresh cream (unmounted), milk, sugar and salt in the bowl, cook: 7 min. 80°C speed 3.
Allow to cool and add the agar-agar or cornstarch and vanilla, mix: 10 sec. speed 2.
Pour into a low and wide container, those of foil are also good and cool in the freezer until completely freezing.
Before serving, cut into cubes and put in the bowl together with the chopped dark chocolate, whisk: 10 sec. speed 9 and later 20 sec. speed 4 using a spatula (mix with the help of the spatula through the hole in the lid).
Place the ice-cream for another half hour in the freezer and serve... Buon appetito!