You should always bring home-cooked food to a pot luck.
Tracy is invited to a pot luck dinner with several people from her office.
Tracy wants to bring something to the pot luck dinner.
Tracy spends time making a home cooked recipe that has been in her family for generations.
Tracy waits until the last minute and then picks up a tray of raw vegetables for the dinner.
The other guests think Tracy's dish is amazing, and they praise her for it profusely.
The other guests don't think much of Tracy's dish, and they gossip a little behind her back.