Use high-quality chocolate for the best flavor. Make sure cream is very cold before whipping. Don’t skip chilling time. For less sweet dessert, reduce powdered sugar or use dark chocolate. Run a sharp knife under hot water and dry before slicing for smooth cuts. For dairy-free, ensure substitutes suit dietary needs. Variations include adding nuts, peppermint extract, fresh fruit, peanut butter swirl, or spices like cinnamon or chili powder.