Alongside grinding and dosing by weight, the steam wand likewise allows for a bit of added control, with settings from mild to strong. “Strong” means strong, for big cappuccino froth: Heed the warning and keep your milk level low in the frothing cup, or you’ll probably have cleanup. But especially, the steam wand offers an automatic shutoff at your desired temp, so you don’t accidentally burn off milk sugars. In practice, it’ll probably stop a few degrees lower than you set it, so plan…