Quick chocolate cake

Ingredients:
300 ml castor sugar
150 ml plain four
4 tbsps cocoa
1 tsp vanilla essence
2 eggs
100 ml melted butter
Pinch of salt
To do:
Preheat oven to 180 o
Mix all ingredients together and pour into greased tin lined with grease proof paper.
Bake in over for approx. 25 min or until cake is firm but soft in middle.