very soft butter, plus more for the tins • caster sugar • self-raising flour • baking powder • large eggs • level tsp instant coffee, dissolved in 2 tbsp boiling water • x Snicker Bar • For the Icing Sugar: • soft butter (for icing sugar) • icing sugar (for icing sugar) • level tsp instant coffee, dissolved in 1 tbsp boiling water (for icing sugar)
