1 tbsp coffee granules
1 tsp baking powder
225g/8oz caster sugar
75g/2戮oz shelled hazelnuts
225g/8oz icing sugar
225g/8oz self-raising flour
100g/3陆oz granulated sugar
225g/8oz baking spread or softened unsalted butter, plus extra for greasing
125g/4陆oz unsalted butter, softened
4 large free-range eggs