A coffee-bar party lets guests assemble drinks from a shared setup. The source suggests combining coffee with optional flavors and food, but the most useful planning decision comes first: how many servings can the host prepare and hold conveniently without spending the whole gathering behind the brewer?
Choose a brewing method and a complete batch recipe appropriate to the equipment. A French press, a percolator and another batch system have different routines, so do not combine instructions simply because they all produce several cups. Make the serving vessels, milk, sweeteners and any flavorings clear and easy to reach. Label ingredients so guests can make informed choices.
Offer a manageable selection rather than every possible syrup and topping. Consider decaffeinated or non-coffee alternatives where useful, and plan how chilled ingredients will be handled. Keep spent grounds and used equipment from taking over the serving area. The goal is an easy shared experience in which the coffee supports the company, not an elaborate station whose maintenance distracts from the event.
The conversation
A good question can make a better brew.