Make a dessert fit for ‘Top Chef’ — and easy enough for a home cook

8 servings The cake can be wrapped in plastic wrap and refrigerated for up to 5 days or frozen for up to 3 months. The yogurt mousse needs to be chilled for at least 2 hours (and up to 3 days) before serving. The oranges can be refrigerated in their syrup for up to 2 weeks. The caramel sauce can be …