Nanna’s shortbread   250 g butter 1 ½ cups plain flour 1 cup self raising flour 2 tbsp rice flour 170 g icing sugar ½ tsp vanilla extract   Preheat the oven to 180o Lightly grease a rectangular baking tray with butter and line with baking paper. Sift flours together into a large mixing bowl.Use your fingertips to rub the … Read More