1. Preheat oven to 375 degree F (190 degrees C). In a small bowl, stir together flour, baking soda, and baking powder. Set aside.
2. In a large bowl, cream together the butter and sugar until smooth. Beat in the egg and vanilla. Gradually blend in the dry ingredients from step 1. Roll rounded teaspoonfuls of dough into balls, and place onto cookie sheets. Sprinkle balls with a dashes of sugar.
3. Bake 8 to 10 minutes in the preheated oven, or until golden brown. Let stand on cookie sheets two minutes before removing to cool on wire racks.
4. Share with friends and family (and Santa)!