Preheat oven to 400°F. Add flour, baking powder, baking soda, sugar, and salt to Mix n Blend II mixing bowl. Cut in butter, and add currants or raisins. Gradually add buttermilk, beating at Speed 5 until dough clings together. Turn onto floured surface, and gently roll into ½" thickness. Cut with 2" round pastry cutter or glass, and place on cookie sheet. Brush tops with buttermilk, and bake for approximately 15 minutes.