Vietnamese Phin

A Vietnamese phin (sometimes written phin filter) is a small, single-serving metal gravity dripper used to brew Vietnamese-style coffee. It consists of four parts: a perforated plate that rests on a cup, a brewing chamber, an internal press filter that sits on top of the grounds, and a lid that retains heat during the slow drip process.

To brew, medium-coarse to medium-fine ground coffee is placed in the chamber, the press filter is set on top and lightly pressed down, and hot water is added. The water slowly drips through the grounds over four to six minutes, producing a small amount of very strong, concentrated coffee — typically 2 to 4 ounces per serving.

Vietnamese coffee is traditionally made with dark-roasted Robusta beans or Robusta-Arabica blends, which produce a bold, intense flavor with high caffeine content and low acidity. The strong concentrate is commonly served over ice with sweetened condensed milk, creating the iconic cà phê sữa đá. It can also be served hot with condensed milk (cà phê sữa nóng) or black (cà phê đen).

The phin filter is inexpensive, nearly indestructible, and requires no paper filters. Its portability and simplicity make it a practical travel brewer. The slow drip process and strong output also appeal to coffee drinkers who enjoy a more intense, syrupy cup than Western drip methods produce. Stainless steel phins are standard, though some specialty versions are made from titanium or ceramic.