Instructions

  1. Measure flour, salt, baking powder, and soda into a sifter.
  2. Cream butter or margarine with sugar until well blended in a large bowl: beat in eggs and vanilla.
  3. Sift in flour mixture, adding alternately with sour cream to make a thick batter.
  4. Drop by by rounded Tablespoonfuls, 4 inches apart, on greased cookie sheets; spread into 2 inch rounds; sprinkle with cinnamon-sugar.
  5. Bake in hot oven (400°F) 12 minutes, or until lightly golden around the edges.
  6. Remove from cookie sheets; cool completely on wire racks.