Take butter and icing
sugar in a mixing bowl and beat together with an electric beater.
Add rice flour,
refined flour, salt and vanilla essence and continue to beat with the beater till it forms a dough. Wrap the dough in cling film and keep it the refrigerator for 30 minutes to become a little hard.
Bring the dough out of
the refrigerator, unwrap and shape it into a long roll of 3 cm diameter. Wrap the roll in butter paper and keep in the refrigerator again to set for 30 minutes.
Preheat oven to
180º C. Line a baking tray with butter paper.
Bring it out of the
refrigerator, unwrap and cut it into two pieces.
Spread castor sugar in
a plate. Dampen the dough roll surface with a little water, roll in the castor sugar till well coated.
Cut the rolls into thick
slices and place on the prepared baking tray. Keep the tray in the preheated oven and bake for 30-35 minutes.
Take the tray out of
the oven, cool slightly and arrange on a serving platter to serve.