Authentic Hot Vietnamese Coffee: A Step-by-Step Guide

Quick answer

• Use a Vietnamese coffee filter (phin).
• Grind your coffee medium-fine, like coarse sand.
• Use dark roast coffee, ideally Robusta or a blend.
• Pre-heat your phin and mug.
• Bloom the coffee grounds for 30-45 seconds.
• Slowly pour hot water in stages.
• Stir in sweetened condensed milk to taste.
• Patience is key – let it drip fully.

Who this is for

• Coffee lovers looking to explore new brewing methods.
• Anyone who enjoys rich, bold, and sweet coffee drinks.
• Home baristas wanting to master a unique coffee experience.

What to check first

Brewer type and filter type

You’re aiming for a phin, the traditional Vietnamese coffee filter. It’s usually a small metal cylinder with a perforated plate and a press. It sits right on top of your mug. If you don’t have one, you’ll need to grab one. They’re pretty standard and easy to find online or at Asian markets.

You’re aiming for a phin, the traditional Vietnamese coffee filter. If you don’t have one, you’ll need to grab one. They’re pretty standard and easy to find online or at Asian markets.

Thang Long Vietnamese Coffee Filter Set. Also known as a Vietnamese Coffee Maker or Press 8oz. Gravity Insert. Multiple Sizes and Quantities Available

• This Vietnamese Coffee Filter is made in Vietnam out of HIGH QUALITY stainless steel
• The Ca Phe Phin is 8 oz. Enjoy with traditional ground coffee such as by Trung Nguyen
• The GRAVITY INSERT on this Vietnamese Coffee Filter is easier than the screw down type
• This Viet filter comes with a LIFETIME WARRANTY and is DISHWASHER SAFE. Satisfaction guaranteed!
• Slow dripper brews a perfect hot or iced coffee (cafe sua da) with this Vietnamese Coffee Filter

Buy on Amazon

Water quality and temperature

Good water makes good coffee. Filtered water is best, plain and simple. Tap water can have off-flavors. For temperature, you want it hot, but not boiling. Aim for around 195-205°F (90-96°C). Boiling water can scorch the grounds and make your coffee bitter. Let your kettle sit for about 30 seconds after it boils.

Grind size and coffee freshness

This is crucial for phin brewing. You want a medium-fine grind. Think coarse sand or slightly finer than you’d use for drip. Too fine, and it’ll clog the filter. Too coarse, and your coffee will be weak. Freshly ground beans are always the way to go. Pre-ground coffee loses its aroma and flavor fast.

This is crucial for phin brewing. You want a medium-fine grind. Think coarse sand or slightly finer than you’d use for drip. A good medium-fine coffee grinder will make all the difference.

SHARDOR Electric Super Silent Blade Coffee Grinder, Timed Grind Control Rotary Knob, Adjustable Coarse to Fine for Coffee Beans, Spices & Herbs, with 1 Removable Stainless Steel Bowl, Black

• 【Adjustable Grinding Precision】There are seconds marks above the timing knob, from coarse to fine. You can choose the precision of powder according to your needs.
• 【Removable Grinding Cup】The cup is removable and it can grinds 2.5oz coffee beans, up to 10 cups of coffee.
• 【Quiet Coffee Grinder】The average noise is 63 dB, which is quieter than other coffee grinders. Getting up early and grinding coffee beans without disturbing your families sleep in the morning.
• 【Multi-functional Coffee Grinder】This electric coffee grinder can also be used for grinding other dry ingredients, such as pepper, cumin, Fenugreek, parsley, cinnamon, star anise, peppermint, soya, quinoa, sorghum, rice and crystal sugar.
• 【What You Get】You will get a coffee grinder, a 2-blade cup, a 2-in-1 coffee spoon with brush, a user manual, the 2-year warranty and our friendly customer service.

Buy on Amazon

Coffee-to-water ratio

This can be a bit personal, but a good starting point is 1:10. That means 1 part coffee to 10 parts water. For a typical phin, this might be around 2 tablespoons of coffee to 4-6 oz of water. You can adjust this later based on how strong you like it. Don’t be afraid to experiment.

Cleanliness/descale status

Your phin and mug need to be clean. Any old coffee oils will mess with the taste. Give your phin a good rinse after each use. If you have a metal phin, periodically give it a deeper clean with hot water and a little soap, then rinse thoroughly. If you use a drip machine for hot water, make sure it’s descaled. Mineral buildup can affect water temp and taste.

Step-by-step (brew workflow)

1. Gather your gear.

• What to do: Get your phin, mug, coffee, sweetened condensed milk, and a kettle with hot water.
• What “good” looks like: Everything is ready and within reach. No scrambling mid-brew.
• Common mistake: Forgetting the sweetened condensed milk. You’ll be bummed if you get to the end and realize it’s missing. Keep it nearby.

2. Pre-heat your phin and mug.

• What to do: Pour some hot water into your mug, then pour that water into the phin. Let it sit for a minute. Discard the water.
• What “good” looks like: The phin and mug are warm to the touch. This prevents temperature shock and keeps your brew hotter.
• Common mistake: Skipping this. Your coffee will cool down too quickly, and the flavor won’t develop right.

3. Add coffee to the phin.

• What to do: Place the phin on top of your pre-heated mug. Add your medium-fine ground coffee to the phin chamber.
• What “good” looks like: The coffee is evenly distributed in the chamber. Don’t pack it down.
• Common mistake: Overfilling the phin. This can lead to overflow or a clogged filter. Leave a little space at the top.

4. Insert the press (optional, but recommended).

• What to do: Gently place the small metal press that came with your phin on top of the coffee grounds.
• What “good” looks like: The press sits level on the grounds. It helps keep the grounds contained.
• Common mistake: Pressing down hard. You just want it to sit there, not compact the coffee.

5. Bloom the coffee.

• What to do: Slowly pour about 1 oz of hot water (just off the boil) over the press, letting it soak into the grounds. Wait 30-45 seconds.
• What “good” looks like: You’ll see the coffee grounds expand and release gas (CO2). It smells amazing.
• Common mistake: Pouring too much water or not waiting long enough. Blooming allows the coffee to degas, leading to a more even extraction.

6. Add remaining water.

• What to do: Slowly pour the rest of your hot water (around 4-6 oz total, depending on your phin and preference) into the phin, filling it up.
• What “good” looks like: The water level is consistent, and the phin is filled.
• Common mistake: Pouring too fast. This can agitate the grounds too much and lead to bitter flavors or uneven extraction.

7. Wait for the drip.

• What to do: Let the coffee slowly drip into your mug. This can take several minutes.
• What “good” looks like: A steady, consistent drip. It shouldn’t be a torrent or a complete stop.
• Common mistake: Getting impatient and lifting the phin too early. You’ll miss out on a lot of flavor. Let it finish.

8. Add sweetened condensed milk.

• What to do: Once the dripping stops or slows to an occasional drop, remove the phin. Add sweetened condensed milk to the brewed coffee. Start with 1-2 tablespoons.
• What “good” looks like: The milk blends nicely with the coffee.
• Common mistake: Adding too much or too little milk. It’s all about personal preference, so start small and add more if needed.

9. Stir and enjoy.

• What to do: Stir the coffee and condensed milk together until well combined.
• What “good” looks like: A smooth, rich, and delicious cup of Vietnamese coffee.
• Common mistake: Not stirring enough. You’ll get pockets of super sweet coffee and pockets of plain coffee.

Common mistakes (and what happens if you ignore them)

Decision rules (simple if/then)

• If your coffee tastes bitter, then try a slightly coarser grind or slightly cooler water because hotter water and finer grinds can over-extract.
• If your coffee tastes weak, then try a finer grind or a slightly higher coffee-to-water ratio because water is flowing through too quickly or there isn’t enough coffee.
• If the water is dripping extremely slowly or not at all, then your grind is too fine or you packed the grounds too tightly because the filter is blocked.
• If your coffee is too sweet, then use less sweetened condensed milk next time because you added too much.
• If your coffee is not sweet enough, then add more sweetened condensed milk because you didn’t add enough.
• If your coffee tastes stale, then check your coffee freshness and grind size because old beans or pre-ground coffee won’t produce good results.
• If you’re getting a muddy cup, then ensure your filter is clean and your grind isn’t too fine because fine particles can pass through.
• If the brew is taking longer than 5-7 minutes, then your grind might be too fine, or the press might be too tight, causing a blockage.
• If you want a bolder flavor, then use a darker roast coffee, like Robusta, because it has a more intense profile.
• If you prefer a smoother, less intense flavor, then use a blend that includes Arabica beans because they are generally lighter and more aromatic.

FAQ

What kind of coffee beans should I use?

Dark roasts are traditional for Vietnamese coffee, often 100% Robusta or a blend. Robusta has a bolder, more intense flavor and higher caffeine content. Arabica can be used for a smoother, less intense cup.

How much sweetened condensed milk is enough?

This is entirely up to your taste. Start with 1-2 tablespoons per cup and add more if you prefer it sweeter. Stir well to combine.

Can I use a regular coffee maker for Vietnamese coffee?

No, the phin filter is essential for the authentic brewing method and flavor profile. A regular drip machine won’t replicate the slow drip and pressure needed.

What if I don’t have a phin?

You’ll need to get one! They are specifically designed for this brew method and are readily available. Trying to substitute will result in a very different drink.

Is Vietnamese coffee always served hot?

Traditionally, it’s served hot, especially in cooler weather. However, it’s also very popular as iced coffee (cà phê sữa đá) by pouring the hot brew over ice after adding condensed milk.

How do I clean my phin?

After brewing, unscrew the parts, discard the grounds, and rinse everything thoroughly with hot water. For a deeper clean, use a little dish soap, then rinse extremely well to remove any residue.

Why is my coffee dripping so slowly?

This usually means your grind is too fine, or you’ve packed the coffee too tightly. Try a slightly coarser grind or ensure the coffee grounds are loose.

What this page does NOT cover (and where to go next)

• Specific brand recommendations for phin filters or coffee beans.
• Detailed history of Vietnamese coffee culture.
• Recipes for other Vietnamese drinks or desserts.
• Advanced techniques for espresso-based Vietnamese drinks.