Bramley Apple Crump and Vanilla Custard

pre heat oven to 170 degrees celsius
1. for the crump topping place the flour into an oven proof bowl add the sugar and butter. (dont mix)
2.transfer the bowl to the oven for 10-15mins until butter has melted.
3.for the filling, peel core and slice the apples, place in another oven proof dish and place in the oven for 5 mins
4. remove the crump mixture from the oven and stir the ingredients together and spread over the part cooked apples.
5.place in the oven for about 40 mins at 170 degrees.
6.for the custard, put the milk,cream and vanilla pod into a small pan and bring to the boil. remove from heat remove vanilla pod then add the sugar and stir for 30 seconds.
7.add the corn flour to yolks. Whisking the egg yolk mixture continually, slowly add the vanilla, milk and cream mixture.
8.pour the custard into a heat proof bowl, place over a bowl of boiling water, stirring with a spoon until it has thickened.
remove from heat and pour into a jug.