Of course, you can also add mocha sauce if you want. In fact, I recommend it. You might want to see how the baristas at your local Starbucks do it and follow whatever you like best. To make it as ...

balls and arrange on 2 parchment-lined baking sheets, spacing 2" apart. Bake cookies, rotating sheets top to bottom halfway through, until golden brown, 12 to 14 minutes. Let cool 10 minutes.