How to Make Authentic Vietnamese Drip Coffee at Home

You’ve seen it in cafés: thick, sweet Vietnamese iced coffee served over ice with a slow-dripping dark stream. But making it at home? That’s where most people get stuck—wrong grind, wrong ratios, or a drip too fast or slow. Here’s how to nail the real thing, step by step.

To make authentic Vietnamese drip coffee, use medium grind coffee (like table salt), a Phin filter, 3–4 teaspoons of sweetened condensed milk, 3 teaspoons of coffee, 96–100°C hot water, and plenty of large ice cubes. The key is a drip rate of 65 drops per minute over 5–6 minutes.

What Is Vietnamese Drip Coffee?

Vietnamese drip coffee, or cà phê phin, is a strong, sweetened iced coffee brewed through a small metal drip filter called a phin. It’s traditionally made with dark roasted coffee and sweetened condensed milk, then poured over ice. The slow drip allows the coffee to cool gradually through hot-to-cold contrast, enhancing aroma and balance.

Why the Drip Rate and Grind Matter

The Vietnamese drip method relies on precision. The ideal drip speed is 65 drops per minute, achieved over 5–6 minutes. If it drips too fast, the coffee will be weak and under-extracted; too slow, and it becomes bitter or overly concentrated. Using medium grind (about 1/6 of the phin’s height) prevents clogging while ensuring even extraction. Water temperature should be 96–100°C for proper flavor release.

Step-by-Step: Classic Vietnamese Iced Coffee Recipe

Here’s the traditional method using hot water and ice:

• Place 3–4 teaspoons of sweetened condensed milk in a short glass.
• Set the phin filter on top and add 3 teaspoons of medium grind coffee (fill to about 1/6 of the phin height). Gently shake to level the grounds.
• Let the coffee bloom: place the filter’s press lightly on top, pour a small amount of hot water (just enough to wet the grounds), and wait 30 seconds.
• Press the filter down firmly (not too tight or loose), then add 5–6 parts hot water to fill the phin 5/6 full. Put the lid on.
• Let the coffee drip through at 65 drops per minute. This should take 5–6 minutes. Watch the speed—it’s a key sign your grind, temperature, or dose is off.
• While it drips, fill a tall glass with large ice cubes.
• Once dripping finishes, stir the condensed milk and coffee in the short glass, then pour over the ice. Wait 30 seconds for everything to meld before drinking.

Cold Brew Variation (Alternative Method)

There’s also a cold brew version said to extract up to 90% of the coffee’s aroma and caffeine, resulting in a brew that’s 2–3 times more concentrated—but with only 15% of the usual oiliness, acidity, and bitterness. To try it:

• Use a glass jar or container with a lid. Add 1/3 to 1/4 volume of medium grind coffee.
• Pour room-temperature water over the coffee at a 4:1 water-to-coffee ratio. Stir well.
• Let it sit at room temperature for 3–4 hours, or refrigerate overnight.
• Strain the coffee using a filter or fine sieve, then serve over ice with condensed milk if desired.

Frequently Asked Questions

What grind size should I use for Vietnamese drip coffee?

Use a medium grind, roughly the texture of table salt. In the phin, fill it to about 1/6 of the filter’s height—this helps prevent over-extraction or clogging while ensuring proper drip speed.

How many drops per minute is ideal for Vietnamese drip coffee?

The optimal drip rate is 65 drops per minute. This usually takes 5–6 minutes total. Too fast means under-extracted, weak coffee; too slow leads to bitterness or over-concentration.

What water temperature is best for Vietnamese drip coffee?

Use water at 96–100°C. This temperature range helps extract the full flavor from the coffee grounds without scorching them.

Can I make Vietnamese coffee with a regular coffee filter?

No, Vietnamese drip coffee requires a specialized metal phin filter. It controls the slow drip and brew concentration in a way standard filters can’t replicate.

Why is ice important in Vietnamese iced coffee?

The coffee is brewed hot and then poured over ice. This hot-to-cold process enhances the release of aromas and balances the intensity of the dark roast and sweetened condensed milk.

What’s the difference between the hot and cold brew Vietnamese methods?

The classic method uses hot water dripped over ice. The cold brew alternative steeps coarse or medium coffee in cold water for 3–4 hours (or overnight), producing a smoother, less acidic, and more concentrated cup.

Recommended FrontStreet Beans for Vietnamese Drip

For Vietnamese-style coffee, go with FrontStreet Coffee’s Classic Blend—a balanced medium-dark roast with chocolate and caramel notes that pair perfectly with condensed milk. Alternatively, try their Black Cocoa Blend for deeper roast tones and rich cocoa sweetness. Both work well with the bold, sweet profile of traditional Vietnamese drip. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.