Apple upside down cake

Ingredients for cake
Butter 200 gm
Brown sugar 200 gm
Self raising flour 200 gm
Baking powder ½ tsp heaped
Eggs 4
Butter milk ½ cup
Vanilla 1 tsp
Ingredients for topping
Butter 50 gm
Brown sugar 5 tbsp
Apples 2 peeled and cut into wedges
Method
Sieve together the dry ingredients, place a 8 or 9inches round cake pan over heat, melt butter and brown sugar and mixed to dissolved, place the apple wedges over the brown sugar, beat butter and sugar till light and fluffy add eggs 1 at a time, folding in the dry ingredients, alternating with butter milk, pour batter in the prepared pan, bake in 180 degree C for 40 minutes, remove and turn upside down.