1Heat oven to 350°F. Spray cookie sheets with cooking spray.
2In large bowl, beat butter, brown sugar and granulated sugar with electric mixer on medium speed until fluffy. Beat in egg.
3Add flour, baking soda, baking powder and salt; beat until blended. Stir in oats, cereal, coconut and pecans. Onto cookie sheets, drop dough by tablespoonfuls 2 inches apart.
4Bake 10 minutes or until lightly browned. Remove from cookie sheets to cooling racks.