Steps

1. take the seeds out of the vanilla bean melt the butter in a pot on low heat with the milk and the vanilla bean (and the seeds) throw the 360g of sugar into a bowl, add the eggs and whisk to combine it all together add the wet mix (the infused milk, butter and vanilla and whisk sift in the flour and the baking powder and whisk everything until incorporated use a mandolin slicer to slice the apples into thin slices throw all the apple slices into the mixture and try to coat all the pieces butter your baking pan, then add the extra cup of flour and tap it around to cover all the sides and throw the rest out put the apple custard mixture into the baking pan, shake it around to get it into the corners (use your hands to flatten them out) into the over at 175 C for about 2 hours. Keep your eye on it, if it gets to much color on the top just wrap it up in foil to help it steam and cook all the way through after 2 hours take out of the over. Let it cool a bit and flip it over, slice and serve
2.