How to make the perfect fondue

The Swiss cheese fantasia can still melt hearts on Valentine’s Day – but which cheeses make the most unctuous pot? Which wine do you need to cut through the fat? And how do you stop it – and your date – from splitting?For a small nation, the Swiss have made some pretty big contributions to world culture: muesli, Velcro, the Red Cross … and, perhaps the crowning achievement of this ancient federal republic, the fondue. Originally conceived as a cunning way to turn o