Preheat the oven to 170°C/150C fan.
Line a 9” x 9” square baking tin with parchment and set aside.
In a bowl, whisk the oil, sugars, yoghurt, and eggs.
Sieve in the flour, salt, raising agents, and spices. Mix through.
Add in the chopped apples and mix.
Pour into the tin, level out & bake for 40 minutes or until an inserted skewer comes out clean.
Remove and allow to cool for 25 minutes before adding the topping.
For the brown sugar glaze, add the butter, sugar, salt & cream to a saucepan and bring to a simmer for 1 minute.
Pour over the warm cake and allow it to soak in.
Cool fully, potion & serve with a side of whipped cream, custard, or ice-cream
