500g of milk
100g of caster sugar
250g of single cream
2 vanilla pod seeds or 2 tsp vanilla extract
6 egg yolks
pinch salt

Add milk, sugar, egg yolks, a pinch of salt. 

Cook 3 mins 80C Speed 7

Add cream, mix 7 seconds speed 5

Stir 20 mins speed 3 to cool the mixture

Put into ice cream maker

From thermomix recipe book