Coffee panna cotta with coffee granita and ice cream

870ml of espresso

400ml of water

1 tbsp of Kahlúa

6 1/2 vanilla pods

1350g of caster sugar

salt

8 gelatine leaves

58g of instant coffee powder

22 egg yolks

300ml of coffee, brewed

9 tbsp of coffee extract

2 tbsp of vanilla essence

220g of self-raising flour

5 eggs

100g of ground coffee

15 egg whites

1 1/2 tsp cream of tartar

180g of cake flour

1000ml of double cream

765ml of milk

220g of butter

oil, for greasing