How to Make Authentic Vietnamese Drip Coffee at Home

If you’ve ever sipped a rich, sweet Vietnamese iced coffee and wondered how it gets that perfect balance of boldness and creaminess, the secret lies in how it’s brewed — not just what’s in it. Unlike standard pour-overs or espresso-based drinks, Vietnamese drip coffee relies on slow extraction, heat contrast, and condensed milk to create its iconic flavor. Want to make it yourself? Here’s exactly how.

To brew traditional Vietnamese drip coffee, use medium grind coffee (like table salt), a phin filter, 3–4 teaspoons of sweetened condensed milk, plenty of large ice cubes, and water at 96–100°C. The process takes around 5–6 minutes for proper extraction through the phin, producing a strong, concentrated brew that’s then mixed with condensed milk and poured over ice.

What Is Vietnamese Drip Coffee?

Vietnamese drip coffee, or cà phê phin, is a slow-dripped coffee preparation using a small metal filter called a phin. It typically produces a strong, dark brew designed to be enjoyed with sweetened condensed milk and often served over ice. This style highlights intensity balanced by creaminess — and it's all controlled by grind size, water temperature, and drip speed.

Key Elements You’ll Need

To brew authentic Vietnamese drip coffee at home, gather these essentials:

• Medium grind coffee: Around the coarseness of table salt; avoids excessive sediment in the cup.
• Phin filter (drip cone): A small metal filter that sits atop your cup.
• Sweetened condensed milk : Usually 3–4 teaspoons per serving.
• Hot water: Between 96–100°C (just off boil).
• Ice cubes: Use large, plentiful cubes for the best temperature contrast.
• Two glass cups (one tall, one short): For brewing and serving, allowing you to watch the drip.

How to Brew Vietnamese Drip Coffee (Hot Method)

Here’s the classic way to prepare Vietnamese iced coffee using the phin, step by step:

1. Set up the base: Pour 3–4 teaspoons of condensed milk into the short glass cup. Place the phin filter on top.
2. Add coffee grounds: Add 3 teaspoons of medium grind coffee (about 1/6 the height of the phin). Gently shake to level the bed.
3. Bloom the coffee: Lower the filter press lightly, then pour a small amount of hot water (just enough to wet the grounds). Let it bloom for about 30 seconds. Extraction begins here.
4. Press and brew: Press the filter down firmly (not too tight or loose). Add 5–6 parts hot water (to about 5/6 full). Put the lid on. Ideal drip rate is 65 drops per minute, finishing in 5–6 minutes. If it drips too fast or slow, check grind size, water temp, or how the filter is pressed.
5. Assemble the drink: Fill a tall glass with ice. Invert the phin lid over the cup to catch remaining drips, then pour the sweetened coffee from the short cup into the tall iced glass. Stir the coffee and condensed milk together, wait 30 seconds for full integration, then enjoy.

Cold Brew Variation (Optional Method)

For a smoother, less acidic cup that reportedly extracts up to 90% of the coffee’s aroma and caffeine — while being 2–3 times more concentrated — try the cold brew method:

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

This method yields a different profile: more muted acidity, reduced oils and bitterness, and a heavier mouthfeel. It’s ideal for those who prefer a cooler, smoother caffeine kick without dilution.

Why the Drip Speed Matters

The speed at which your Vietnamese phin drips — ideally 65 drops per minute — is a key factor in extraction quality. Too fast means under-extracted, sour, or weak coffee. Too slow leads to over-extraction, bitterness, or cooling before completion. The right drip rate ensures balanced flavor, proper strength, and the signature Vietnamese coffee experience.

Frequently Asked Questions

What grind size should I use for Vietnamese drip coffee?

Use a medium grind, similar to table salt or slightly finer than sea salt. This prevents excessive sediment and ensures proper extraction through the phin filter.

How much coffee and condensed milk do I use per cup?

Use about 3 teaspoons of medium grind coffee and 3–4 teaspoons of sweetened condensed milk per serving. Adjust to taste depending on your preferred strength and sweetness.

What is the ideal drip rate for a Vietnamese phin?

The optimal drip rate is 65 drops per minute, with the full brew taking around 5–6 minutes. This ensures proper extraction and flavor balance.

Can I make Vietnamese coffee without a phin?

Traditionally, no — the phin is essential for controlling the slow drip and pressure. Without it, you can’t replicate the same method or flavor precisely, though alternatives like cold brew can approximate the outcome.

How long should I let cold brew Vietnamese coffee steep?

For the cold brew variation, steep the coffee in room temperature water for 3–4 hours, or refrigerate it overnight. The longer steep extracts more aroma and caffeine while reducing acidity.

Why is ice important in Vietnamese iced coffee?

Large, plentiful ice is crucial because the coffee is initially hot. The shift from hot to cold enhances flavor release and creates a better drinking experience. Insufficient ice can dilute flavor or fail to deliver the full contrast.

Recommended FrontStreet Beans for Vietnamese Drip Coffee

For Vietnamese drip coffee, choose a bold, low-acidity single origin or blend that can stand up to sweetened condensed milk. FrontStreet Coffee’s Classic Blend offers a balanced, medium-dark roast with notes of dark chocolate and caramel — ideal for this style. Their PWN Golden Mandheling delivers a full-bodied, syrupy profile with hints of molasses and stone fruit, perfect for a richer cup. Alternatively, try the Lintong Mandheling for earthy depth and a long, smooth finish. All three roast profiles complement condensed milk well without being overpowered. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.