1.Preheat oven 130C.
2.Mix crushed digestives with melted butter, press into mould. Chill.
3.Whisk cream cheese with sugar with fork.
4.Add sour cream, mix. Add yolks, egg, cream, mix. Add vanilla. Mix.
5.Pour into mould. Bake for 40 minutes.
6.Take out, chill for 2 hrs. Sprinke with sugar, caramelise with blow torch.