The perfect comforting, coconut-packed lamingtons - AustralianFarmers

Ingredients

• 250g butter, at room temperature, chopped
• 1½ cups caster sugar
• 4 eggs
• 1 tsp vanilla essence
• 2½ cups self-raising flour
• 2 tbsp cornflour
• 1 tsp baking powder
• pinch of salt
• ½ cup milk, approximately
• 2 cups icing sugar
• 2 tbsp cocoa powder
• 90g soft butter
• 5 tbsp hot water
• 3 cups desiccated coconut, approximately