Simple iced chocolate cake

Ingredients

• Icing
• 1 cup icing sugar
• 1 tablespoon cocoa
• 1 tablespoon boiling water
• 1/4 teaspoon coffee powder
• 60 gram low-fat spread
• 3/4 cup caster sugar
• 1 egg
• 1 1/2 cup self-raising flour
• 2 tablespoon cocoa
• 1/2 cup low-fat milk
• 1/4 cup boiling water
• 1/4 teaspoon bicarbonate of soda