Molten Chocolate Soufflé and Lava Cakes

The first time I tasted this dessert, at one of Jean-Georges Vongerichten’s restaurants in New York, I thought it was the most perfect chocolate dessert I had ever tasted. Legend has it that the liquid center was the result of a fortuitous accident of underbaking. Although the recipe started appearing in every magazine and newspaper, I could see that it presented a real challenge to the home baker