Quick-mix chocolate cake recipe

Name: Quick-mix chocolate cake recipe
Prep time: 15 min
Cook time: 50 min
Total time: 1 h 5 min
Cuisine: World Cuisine
Ingredients: Melted butter, to grease; 270g (1 1/3 cups, firmly packed) brown sugar; 185ml (3/4 cup) milk; 125g butter, cubed; 50g (1/2 cup) cocoa powder; 0.63 gm Bicarbonate Soda; 150g (1 cup) self-raising flour; 40.00 ml plain flour; 3 eggs, lightly whisked; 195g (1 1/4 cups) pure icing sugar; 10.00 gm cocoa powder; 10g (2 tsp) butter, at room temperature; 6-40.00 gm boiling water