Set oven rack at center position. Preheat oven at 375 F.

In a large bowl, cream butter. Add sugar and brown sugar and beat for 2 minutes. Add egg and beat until well blended.

In another bowl, mix flour, oatmeal, baking soda, baking powder, salt and coconut and stir in first mixture until there is no more trace of flour.

Drop the dough by heaping teaspoonfuls about 2 inches apart onto ungreased cookie sheet. Bake one sheet of 12 cookies at a time for 8 to 10 minutes. Cool 2 minutes, remove cookies from sheet with a thin spatula and cool completely on rack.

Store cookies in a metal box.