Place sugar, maple syrup, butter and vanilla and cook 15 min/Varoma/speed 1.
Add salt, cream, milk and whisk together 30 sec/speed 5.
Add eggs and beat 20 sec/speed 4.
Cook 5 min/80ºC/speed 4. Cool completely before churning in an ice cream machine, adding in chocolate in the last minutes.
OR Pour into cold metal tin and freeze.
After 3-4 hours when partially frozen, chop into chunks and remix in the Thermomix bowl 1 min/speed 5 to give a creamier consistency.
Fold through chocolate chunks after remixing few sec/Reverse/speed 1.
Return to cold tin and freeze for up to 12 hours before serving.
It is helpful to place frozen ice cream in the fridge for about 20 minutes prior to serving.