HOW TO BREW DELICIOUS VIETNAMESE PHIN COFFEE WITH RICH, LONG-LASTING FLAVOR

1. What Is Vietnamese Phin Coffee?

Vietnamese phin coffee is a traditional brewing method that uses a small metal drip filter called a “phin.” Hot water slowly passes through the coffee grounds and drips into the cup below, producing a rich and concentrated brew.

Key characteristics of Vietnamese phin coffee:

• Strong aroma
• Bold and deep flavor
• Long-lasting aftertaste
• Heavy body
• Can be enjoyed black or with condensed milk

This brewing style works especially well with both robusta and arabica beans, particularly medium to dark roasts.

2. Why Do Many People Fail to Brew Good Phin Coffee?

Although phin coffee seems simple, it is highly sensitive to several factors:

• Grind size
• Water temperature
• Coffee-to-water ratio
• Compression pressure
• Extraction time

Even one small mistake can significantly affect the flavor.

Common Problems and Causes

Problem	Cause
Coffee drips too fast	Grind too coarse or coffee pressed too lightly
Coffee drips too slowly	Grind too fine or coffee pressed too tightly
Sour taste	Water not hot enough or under-extraction
Harsh bitterness	Over-roasted beans or over-extraction
Weak and watery	Too little coffee or too much water

3. Ingredients for Great Vietnamese Phin Coffee

3.1 Choosing the Right Coffee Beans

The quality of the coffee beans is the most important factor.
Robusta
Robusta coffee is ideal for people who prefer:

• Strong flavor
• High caffeine content
• Bold aftertaste
• Low acidity

This is the most common style used in traditional Vietnamese coffee.

Arabica
Arabica coffee offers:

• More fragrance
• Bright acidity
• Lighter finish
• More complex aroma

It’s ideal for people who enjoy a smoother and more balanced cup.

Robusta–Arabica Blend
This is one of the most popular choices because it delivers:

• Good aroma
• Strong flavor
• Smooth drinkability
• Excellent compatibility with phin brewing

Common blend ratios include:

• 70% robusta – 30% arabica
• 60% robusta – 40% arabica

3.2 Best Roast Level for Phin Brewing

Medium to Dark Roast Works Best
Recommended roast levels:

Roast Level	Characteristics
Medium Roast	Balanced flavor and aroma
Medium Dark Roast	Richer and more suitable for Vietnamese taste
Dark Roast	Strong bitterness and deep aftertaste

If the roast is too light:

• Coffee may taste sour
• Body becomes thin
• Lacks depth

If the roast is too dark:

• Coffee tastes burnt
• Aroma is lost
• Bitterness becomes harsh

3.3 Choosing the Right Grind Size

Grind size is extremely important.
Ideal Grind: Medium-Fine
The grounds should be:

• Finer than pour-over coffee
• Coarser than espresso

If the grind is too fine:

• The phin may clog
• Coffee becomes bitter
• Dripping takes too long

If the grind is too coarse:

• Coffee drips too quickly
• Flavor becomes weak
• Aroma is reduced

Simple Tip
The texture should feel:

• Slightly sandy
• Not clumpy
• Not overly powdery

3.4 Essential Brewing Equipment

Vietnamese Phin Filter
Recommended features:

• Stainless steel phin
• 160ml – 170ml size
• Evenly distributed filter holes
• Good heat retention

Other Tools

• Glass cup
• Kettle
• Digital scale
• Spoon
• Timer

3.5 Standard Brewing Ratio

This beginner-friendly recipe is easy to follow.

Ingredient	Ratio
Coffee	25g
Hot water	80 – 100ml
Water temperature	92 – 96°C
Extraction time	4 – 6 minutes

4. Step-by-Step Guide to Brewing Vietnamese Phin Coffee

Step 1: Rinse the Phin with Hot Water

This helps:

• Warm up the phin
• Stabilize temperature
• Reduce heat loss during brewing

You should also warm the serving cup.

Step 2: Add Coffee Grounds

Use approximately: 25g of coffee for a 160-170ml phin, Use approximately 25g of ground coffee for a 160–170ml phin filter. Gently shake the phin to remove fine particles that may pass through the filter screen, then level the coffee bed evenly before brewing.

Step 3: Place the Press Plate

Do not compress too hard.
Apply just enough pressure to:

• Keep the grounds stable
• Ensure even water flow

Pressing too tightly is a very common mistake that causes extremely slow dripping.

Step 4: Bloom the Coffee

Pour about: 20ml of hot water
Let it bloom for: 30 – 45 seconds
This stage helps:

• Release CO2
• Expand the coffee grounds evenly
• Improve extraction consistency

Step 5: Pour the Remaining Water

Slowly pour the remaining water in circular motions.
Total water amount: 80 – 100ml, Then place the lid on top to retain heat.

What Is the Ideal Drip Time?

Ideal Extraction Time: 4 – 6 Minutes
If it finishes in under 3 minutes:

• The extraction is too fast
• Coffee may taste weak

If it takes longer than 7 minutes:

• The extraction is too slow
• Coffee may become overly bitter

Ideal Drip Speed:

• About 1 drop per second at first
• Then a slow and steady flow

5. How to Make Vietnamese Iced Milk Coffee

Vietnamese iced milk coffee is one of the country’s most famous coffee drinks.
Basic Recipe:

• 20-25g coffee
• 20 – 35g condensed milk
• 80ml hot water
• Ice cubes

After brewing:

• Stir the coffee with condensed milk
• Add ice
• Shake or stir gently

The result:

• Rich
• Creamy
• Aromatic
• Perfect for hot weather

6. Tips for Better Phin Coffee

Use Clean Water
Water makes up more than 90% of a cup of coffee.
Recommended:

• Filtered water
• No chlorine smell
• Moderate TDS level

Avoid Using Boiling Water
Water at 100°C can:

• Burn the coffee
• Create harsh bitterness
• Destroy aroma

Ideal temperature: 92 – 96°C
Grind Coffee Right Before Brewing
Coffee quickly loses aroma after grinding.
Best practice:

• Grind only what you need
• Brew immediately after grinding

Store Coffee Properly
Keep coffee in:

• Airtight containers
• Cool, dry places
• Away from direct sunlight
• Away from heat and moisture

Avoid storing coffee in the refrigerator because it easily absorbs odors.

Should You Use Butter, Caramel, or Flavorings?
Some traditional coffee products use:

• Butter
• Caramel flavoring
• Chocolate flavoring

These ingredients can create a stronger aroma but may overpower the natural characteristics of the coffee beans.

If you prefer a more authentic experience:

• Choose naturally roasted coffee
• Avoid artificial flavorings

7. What’s the Difference Between Phin Coffee and Espresso?

Criteria	Vietnamese Phin Coffee	Espresso
Brewing method	Slow drip extraction	High-pressure extraction
Brewing time	4 – 6 minutes	25 – 30 seconds
Flavor	Bold and deep	Highly concentrated
Body	Heavy	Very heavy
Equipment	Simple filter	Espresso machine

Espresso focuses more on technical precision and consistency, while phin coffee offers a slower, more relaxing traditional experience.

8. How to Recognize a Good Cup of Phin Coffee

A properly brewed cup of Vietnamese phin coffee should have:

• ✅ A rich aroma
• ✅ A long-lasting aftertaste
• ✅ No harsh sourness
• ✅ No burnt bitterness
• ✅ A balanced heavy body
• ✅ A subtle sweetness lingering in the throat

Learning how to brew delicious Vietnamese phin coffee not only helps you create a richer and more flavorful cup but also allows you to experience a unique part of Vietnamese coffee culture.
As long as you pay attention to:

• Choosing the right beans
• Using the correct grind size
• Controlling water temperature
• Adjusting extraction time

You can consistently brew aromatic, full-bodied phin coffee at home.

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References

1. International Coffee Organization (ICO) – Coffee Processing & Brewing Knowledge
2. Specialty Coffee Association (SCA) – Coffee Brewing Fundamentals
3. Coffee Quality Institute (CQI) – Coffee Extraction Standards
4. Vietnam Coffee-Cocoa Association (VICOFA) – Thông tin ngành cà phê Việt Nam
5. “The Professional Barista’s Handbook” – Scott Rao
6. “Coffee Brewing Handbook” – Ted R. Lingle
7. “The World Atlas of Coffee” – James Hoffmann
8. Tài liệu nội bộ về rang xay và chiết xuất cà phê phin truyền thống Việt Nam
9. Kinh nghiệm thực tế từ barista và roastery chuyên về cà phê Việt Nam
10. Các tiêu chuẩn chiết xuất cà phê phổ biến về:
- Brew ratio
- Extraction time
- Water temperature
- Grind size calibration
11. Vno Coffee Bean - https://organiccoffee.vn - Cà phê hữu cơ