In a large bowl cream together the butter with brown sugar and the white sugar.
Add the egg and vanilla extract and mix until combined.
Sift the self-raising flour and the baking soda together into the mixture then mix the flour until there is no trace of flour.
Fold the chocolate chips into the dough.
Take a tablespoon of the cookie dough mixture and make a smooth ball.
Place the dough balls onto a baking tray ensuring to leave enough space between each ball to allow the cookies to spread.
Bake in the centre of a preheated oven at 180°C/350°F (gas mark 4) for 12-15 minutes.
Let the cookies cool down before serving them warm or cooled with a glass of milk and enjoy!
