What's the best way to make frothy coffee at home?

Every week a Guardian Money reader submits a question, and it’s up to you to help him or her out – a selection of the best answers will appear in next Saturday’s paper.

Our family love frothy coffees and we’d like to start making them at home. We can make the coffee bit, but are considering buying a milk frother. The electric ones cost £30, but do they work? Is there a good one that you’d recommend?

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