Preheat oven 160C/320F.Arrange apple slices on top in a decorative pattern. Sprinkle apple slices with cinnamon sugar.Pop in oven for 60 mins, or until golden and skewer comes out clean. Allow to cool.Serve as is, warm or room temperature, or with cream, ice cream, custard or yoghurt.
Mix eggs, sugar, butter, cinnamon, vanilla & yoghurt together in a large bowl.
Gradually fold in the self raising flour and mix until just combined.
Pour into a greased springform pan (20cm/8") or round cake tin.
Arrange apple slices on top in a decorative pattern overlaping the slices. Sprinkle apple slices with cinnamon and sugar.
Pop in oven for 60 mins, or until golden and skewer comes out clean. Allow to cool.
Serve as is, warm or room temperature, with cream, ice cream, custard or yoghurt.