Place 250g of the cream with the vanilla bean paste and powder and sugar into the Thermomix bowl and warm 8 min/80°C/speed 1.
Add the remaining cream, milk and salt into the Thermomix bowl and blend 10 sec/speed 8.*
Pour into a flat tray or jug and cool completely before churning in an ice cream churner according to manufacturers instructions.
Thermomix method; Pour into a flat tray and freeze. Break into pieces and place half into the Thermomix bowl. Blend for 20 sec/speed 8. Add remaining frozen chunks and keep blending with the aid of the Thermomix spatula until desired consistency is reached. You should serve immediately once re-blended in the Thermomix.