Preheat oven 160c

Chop the chocolate up.

Put softened butter, white sugar & brown sugar into the bowl of an electric mixer, mix until combined.

Add eggs one at a time, mix together.

Add the flour, oats, bi-carb soda & baking powder, a ¼ at a time mix after addition.

Add the chocolate then mix together.

Roll dough into golf ball size balls & place on lined baking tray making sure there is plenty of space between them, they will spread.

Bake for 15min, cool on trays.