Cheese rounds can be stored in a tightly covered container for up to 4 hours before serving.
Lox is salmon that is brine-cured, then cold-smoked.
Crème fraîche is mature French cream. Crème fraîche is convenient and versatile; it can be boiled without curdling, which makes it easy to use in cooked recipes. Also, crème fraîche tastes simply wonderful spooned over fruit or warm chocolate cake.