preheat oven to 180'c .sift baking powder and flour .beat margarine and sugar together until light and fluffy . add the eggs and vanilla to flour mix and beat well now add sifted dry ingredients and the cornflakes and mix well for a couple of minutes . drop teaspoons of the mix onto an ungreased baking sheet , tray . bake in180'c for 10-15mins or until lightly browned . optional -you can substitute the cornflakes with choc chips or nuts .