Preheat oven to 375 degrees

Beat butter with electric mixer on medium to high speed for 30 seconds, add sugars, baking powder and baking soda, beat until combined

Add in egg and vanilla

Beat in as much flour as you can, stir in any remaining flour.

Stir in cereal, coconut, and raisins

Drop dough by the spoonful onto an ungreased cookie sheet

Bake for 8 minutes until edges are golden