Everybody's favourite-Black forest cake !!!

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Ingredients
For the Cake:
1 cup flour
1 tbsp cocoa powder
1/2 tsp baking powder
1 cup powdered sugar
4 eggs
3 tbsp milk
4 tbsp rum OR sugar syrup

For the Icing:
1 cup fresh cream
6 tbsp powdered sugar
2 egg whites
1/4 cup grated chocolate

METHOD :
Preheat the oven for some minutes.
Sieve the flour with the cocoa powder and baking powder to avoid lumps.
Separate the egg whites and the yolk.
Beat the egg whites,adding the sugar slowly till it becomes stiff.
Beat the yolks slightly and add to the egg white mixture.Beat again for 1 minute.
Fold in the sieved flour and the milk.Mix well.
Grease a tin with some butter(1 tsp) and dust it with flour.
Pour in the cake mixture and bake in the oven at 200 degree celcius for 30 minutes.
Insert a knife in the cake.If it comes out clean,the cake is done.

Cool the cake.Cut it into two halves horizontally.
Soak the two halves with the rum/sugar syrup.
To whip the cream-Put the cream into a light bottomed vessel.Place this vessel in a larger bowl filled with ice cubes.Beat the cream till it thickens.Do not overbeat it,as the cream can turn into butter.
Beat the egg whites,adding the sugar gradually.Beat till fluffy.
Add the beaten egg whites to the cream.
Spread out the cream on the bottom half of the cake.Press the other half over it.
Cover the top and the sides with the rest of the cream.
Decorate with grated chocolate.
Refrigerate the cake.Cut into pieces and serve.