Preheat the oven to 180 C / 356 F / gas mark 4.
Line a 7 inch cake tin with baking paper.
Add the yogurt, milk, caster sugar, vanilla paste, vegetable oil, lemon juice and lemon zest to a jug and whisk well.
In a bowl, whisk together the self raising flour and baking powder.
Create a well in the middle of the flour and then slowly pour in the wet ingredients while whisking until you had a smooth batter.
Pour the batter into the lined cake tin.
Bake for 35 minutes or until a skewer comes out clean.
Leave the cake to cool – do not remove from the tin.
Once the cake is cool, heat the cream until just starting to bubble but not boiling.
Remove from the heat and add the chocolate.
Stir gently to help the chocolate melt.
Once the ganache is smooth and glossy
Leave to cool, but still pourable.
Pour the ganache over the top of the cake and put it aside to set.
Once it has set, top with the marzipan fruits.