• Make list of people to invite.
• Mark the date on your calendar.
• Send invitations (by mail, e‑mail, or phone).
• Plan the menu, including the beverages.
• Make shopping list (food, paper goods, decorations).
• Plan cooking schedule: Determine what can be made ahead and frozen, day before, and that day, and what you are buying already prepared.
• Make list of equipment needed (rental chairs and table).
• Plan the layout of the rooms. (Make sure all the food tables are not right on top of each other to ensure smooth flow for people to mingle.)
• Plan music.
• Plan lighting.
• Buy or make a centerpiece or other decorations.
• Check your stock of cleaning supplies for before and after the party.
• Make sure you have all the platters and serving pieces you'll need.