Triple-layer cappuccino cake

Ingredients

• 12 oz butter
• 12 oz caster sugar
• 11 oz plain flour
• 6 eggs
• 3 teaspoons baking powder
• 1 oz cocoa
• 4 teaspoons instant coffee dissolved in as little hot water as possible

For the icing:

• 10 oz butter
• 20 oz icing sugar
• 4 teaspoons instant coffee dissolved in as little hot water as possible

To decorate:

• 150 g grated chocolate