Never Failed Eggless Chocolate Cake

Ingredients

• 125 g butter
• 15 ml vinegar
• 500 ml water
• 10 ml vanilla essence
• 750 ml self-raising flour (420 g)
• 5 ml salt
• 5 ml bicarbonate of soda
• 80 ml cocoa powder
• 500 ml sugar
• Icing
• 60 g butter
• 30 ml milk
• 2 ml vanilla essence
• 20 ml cocoa powder
• 375 ml icing sugar