preheat oven to 180°c

put butter, sugar and condensed milk into a mixing bowl and cream together

add sifted flour and baking powder, then mix well

add rolled oats, then mix well

add chocolate drops, then mix well

in small batches of about 1 dozen, roll mixture into small balls and place evenly apart on a baking tray, flatten using a fork

bake batches separately at 180°c for 15-20 minutes or until golden brown then cool on a cooling rack to allow them to harden