# Firstly, peel the apple
s and slice them thinly. Mix these slices with 1 tbsp granulated sugar
and 1 tbsp lemon
juice. Put this mixture aside.
# Whisk granulated sugar
with the eggs in a deep bowl, until the sugar
# Add the margarine, which is softened at room temperature, on it. Add sunflower oil and milk
also, and mix it for a while.
# Then add sifted flour
, baking powder and vanilla in it. Mix it, until the mixture smoothens totally. Meanwhile, set the heat of the oven to 347 F.
# Grease a cake mould, which has a hole in the center, by butter. Pour half of the prepared cake mixture into this mould.
# Place the prepared apple
slices over the mixture firmly. Sprinkle walnut
and cinnamon all over.
# Pour the remaining cake mixture all over the walnut
layer. Flatten it by the backside of a wet spoon.
# Place the cake mixture into the oven and bake it for a bout 1 hour. After removing the cake from the oven and it turns to tepid, sprinkle castor sugar