Frequently Asked Questions What can I do with the milk frother? With the milk frother, you can make delicious and rich milk foam for coffee specialities, such as cappuccino and latte macchiato, in the comfort of your own home. It is a fully automatic milk frother and extremely easy to use and clean. You can use the milk frother to make hot or cold milk froth, or to heat up milk without frothing it. Warm milk froth can be used, for example, to make delicious cappuccinos or latte macchiato. With cold milk froth you can create, among other things, a delicious iced cappuccino for a hot summer day.