Ingredients

Steps

• Preheat the oven to 180°C.
• Grease and line the bases of two 18cm diameter sandwich tins with baking parchment.
• Whisk all cake ingredients together in a large bowl until smooth.
• Divide the mixture between the tins and spread evenly.
• Bake for 20-25 minutes until a skewer comes out clean.
• Cool icons in tins for five minutes, then transfer to a wire rack.
• Beat the butter and icing sugar until smooth before adding milk and coffee essence.
• Sandwich the cooled cakes together with half of the icing.
• Spread the remaining icing on top and decorate with walnut halves.