Cake: Preheat oven to 230 degrees C. Grease and flour six 20cm cake tins.
In a large bowl mix together caster sugar, butter, eggs, bicarb soda, baking powder, flour, salt, buttermilk and vanilla. Divide batter into 6 equal parts and spoon into prepared cake tins.
Bake in preheated oven for ten minutes.
Filling: To the cooked and mashed apples, add the brown sugar, cinnamon, cloves and allspice, then mix.
To Assemble: Place one layer on a serving platter then spoon some apple filling on top. Cover with another layer and repeat process, ending with a cake layer. Let stand at least 12 hours before cutting.