Great to have in the freezer for unexpected guests - as an appetizer or brunch. I often make these and freeze (well-covered) in air-tight container. When it's party time, place frozen quiches on serving plate; place in microwave and cook on Reheat setting just until slightly warm. You can take a few or lots from the freezer to accommodate the number of guests. There are never any leftovers. Preparation time includes 1 hour refrigeration.