2 c. flour
1 tsp. baking powder
1 tsp. baking soda
1/2 tsp. salt
1 c. butter
3/4 c. packed brown sugar
3/4 c. granulated sugar
2 eggs
1 tsp. vanilla
2 c. quick-cooking rolled oats
2 c. cornflakes
1 c. flaked coconut
1/2 c. chopped walnuts or pecans

In small bowl, combine flour, baking powder, baking soda, and salt; stir to mix well. Set aside.

In large bowl, beat butter. Add brown sugar and granulated sugar; beat until fluffy. Beat in eggs and vanilla. Add flour mixture; beat until well combined.