In this case, this chocolate chip cookie recipe is made without baking soda in order to keep the big cookies as thick and chewy ... giving a more fluffy, cake-like appearance (unless, of course ...
They are thick and fluffy. Oatmeal gives them a chewy texture. Basically, they're a cross between an oatmeal cookie and a chocolate chip cookie - the best of both worlds.
Make Nicola Lamb's fruity marshmallows, miso walnut double-thick chocolate-chip cookies, and caramel-poached ... until the mixture is fluffy and volumized and only just warm to the touch.