50g unsalted butter, softened 150g
natural golden caster sugar 2 large organic free - range eggs 225g TOTAL Greek 0 % Yoghurt 80g ground almonds zest of 1 lemon 150g self - raising flour 1 tsp baking powder pinch of salt Pistachio nuts to decorate 7 ″ round baking tin, bottom line with baking paper and oil