Chocolate slice recipe

For the potluck, i made the dessert. Here is the recipe:

Chocolate slice:

Base:
125g butter
2Tbs cocoa
2 eggs
1 cup sugar
1 cup sifted flour
1/2 tsp baking powder
1/2 cup raisins
1 tsp vanilla

topping:
250g chocolate, melted



Base: Melt butter and cocoa. Add beaten eggs and sugar and beat it together. Add sifted flour, baking powder and vanilla. After that, add in raisins, and just mix it up. Pour into 18X30 pan, and bake for 20 mins, 180C. Allow to cool.


After making topping, pour over cake.


Topping: Melt Chocolate in a bowl placed over another bigger bowl of hot water. Depending on chocolate, add sugar to suit your taste.