More videos from this episode Bittersweet Chocolate Mousse Cake Chocolate mousse cake runs the gamut from fluffy, insubstantial layer cake to dense-as-a-brick, and fudge-like slab. Could we make one that maintained the qualities of a perfect chocolate mousse--rich, creamy, and full of chocolate flavor? Chilled Lemon Souffle This dessert, an American take on the classic Bavarian cream, runs the gamut from rubbery orb to lemony foam. The perfect version, however, is a divine marriage of custard and soufflé. Unsweetened Chocolate We wanted to see if all the fuss over premium chocolates is based on quality or hype.