Sourdough scones recipe

From Chris on the south coast who had some of my sourdough in the cafe.

Ingredients
1.5cups plain flour
2t baking powder
3/4t bicarb
.5t salt
1cup starter
knead & roll out 1cm thick
Roll in 1/4 cup melted butter or use sprasy when cut
Place on greased tray & cover with a damp cloth for an hour to rise
Bake at 200 for 20 minutes