Vietnamese vs Thai Iced Coffee: Which Sweet Iced Brew Reigns Supreme?

Posted on April 20, 2025

A side-by-side comparison of Vietnamese iced coffee with a phin filter and Thai iced coffee with vibrant orange hue, both served over ice and placed on a wooden table with Southeast Asian decor.

INTRODUCTION:

If you’re a lover of iced coffee, you’re likely already familiar with the unique flavors and textures of both Vietnamese vs Thai iced coffee. But when it comes to deciding which sweet iced brew reigns supreme, there’s no easy answer. Each has its own distinctive style, sweetness, and boldness. In this blog post, we’ll dive deep into the differences between Vietnamese vs Thai iced coffee, exploring their origins, preparation methods, and the key ingredients that make each of these iced brews so special. By the end, you’ll know exactly which one is the perfect iced coffee for you.


A split image showing the origins of Vietnamese iced coffee with a phin filter and Thai iced coffee with bright orange hues, surrounded by cultural elements and vintage decor.

1. The Origins and History of Vietnamese and Thai Iced Coffee

1.1 The Story Behind Vietnamese Iced Coffee

Vietnamese iced coffee, known as “Cà Phê Sữa Đá,” is a staple in Vietnamese culture. This beloved beverage is made using strong, dark roasted Robusta coffee beans, which are brewed slowly through a traditional drip filter known as a “phin.” The coffee is then combined with sweetened condensed milk, resulting in a bold and rich coffee experience.

  • Key Ingredients: Robusta coffee beans, sweetened condensed milk
  • Cultural Significance: It’s a popular morning or afternoon drink in Vietnam and is often enjoyed as a refreshing break from the heat.

1.2 The Origins of Thai Iced Coffee

Thai iced coffee, or “Oliang,” has a different twist. Originally, Thai iced coffee was made with a blend of coffee beans, corn, and soybeans, creating a slightly nutty flavor. Today, it’s often made with strong brewed coffee, sweetened condensed milk, and crushed ice. Thai iced coffee is known for its distinctively sweet and creamy texture, often served with a touch of spices like cardamom, giving it a unique flavor profile.

  • Key Ingredients: Strong brewed coffee, sweetened condensed milk, cardamom (optional)
  • Cultural Significance: A popular street food drink in Thailand, it is often served in markets or roadside stands and enjoyed as a refreshing treat.

1.3 Key Differences in Coffee Origins

  • Vietnamese Coffee: Uses primarily Robusta beans, which tend to be stronger and more bitter.
  • Thai Coffee: Typically uses Arabica beans, which are often smoother and have a subtler flavor profile.

While both are equally delicious, their origins and ingredients offer a starting point for understanding their distinct flavor profiles.


A step-by-step visual comparison showing the making of Vietnamese iced coffee with a phin filter and Thai iced coffee with spices, both served over ice in clear glasses.

2. How Are Vietnamese and Thai Iced Coffee Made?

2.1 Brewing Methods for Vietnamese Iced Coffee

  1. The Phin Drip Filter Method: The most authentic way to brew Vietnamese iced coffee is by using a phin filter, which is a metal drip filter placed on top of a glass. Coffee grounds are placed in the filter, and hot water is slowly poured over them, allowing the coffee to drip into the glass below.
  2. Sweetened Condensed Milk: After brewing, sweetened condensed milk is stirred in, creating a creamy and rich sweetness that balances the strong coffee.
  3. Ice: Finally, ice is added to chill the brew.

This slow brewing process gives the coffee its signature strength and richness.

2.2 Brewing Thai Iced Coffee

  1. Strong Brewed Coffee: Thai iced coffee begins with strong brewed coffee, often made using a drip coffee maker or a French press.
  2. Adding Sweetened Condensed Milk: Once brewed, sweetened condensed milk is stirred in, making the drink rich and creamy.
  3. Spices and Ice: In some versions of Thai iced coffee, cardamom or other spices are added for extra depth. The coffee is then poured over crushed ice to chill it.

This process is a bit quicker than the phin method but still results in a creamy, sweet beverage.


A side-by-side comparison of Vietnamese iced coffee with a bold, creamy profile and Thai iced coffee with a sweet, spiced flavor, both styled with flavor notes in the background.

3. Taste Profiles: Vietnamese vs Thai Iced Coffee

3.1 Flavor of Vietnamese Iced Coffee

Vietnamese iced coffee is known for its bold, intense flavor due to the use of Robusta beans. Robusta beans generally have a higher caffeine content and a more bitter, earthy flavor. The sweetened condensed milk cuts through the bitterness, creating a perfect balance between rich coffee and creamy sweetness. The result is a strong and satisfying iced coffee that packs a punch.

  • Taste: Bold, strong, slightly bitter with a creamy sweetness.
  • Texture: Thick and smooth due to the condensed milk.

3.2 Flavor of Thai Iced Coffee

Thai iced coffee, on the other hand, is slightly milder. The use of Arabica beans lends a smoother, less bitter flavor. The addition of spices like cardamom adds an aromatic complexity to the drink. The sweetened condensed milk gives it a luscious creaminess, while the crushed ice ensures that each sip is refreshing and cool.

  • Taste: Sweet, smooth, with a hint of spice (if using cardamom).
  • Texture: Creamy, but lighter compared to Vietnamese iced coffee.

A flat lay of the key ingredients for Vietnamese and Thai iced coffee, showcasing dark roast coffee, phin filter, spices, and sweetened condensed milk.

4. Key Ingredients: What Makes Each Brew Special?

4.1 Vietnamese Iced Coffee Ingredients

  • Robusta Coffee Beans: The heart of Vietnamese iced coffee, Robusta beans provide a stronger, more bitter flavor compared to the milder Arabica beans.
  • Sweetened Condensed Milk: This thick, sugary milk is a defining feature of Vietnamese iced coffee. It adds both sweetness and creaminess to balance the coffee’s bitterness.
  • Ice: Essential for chilling the coffee and providing that refreshing cold brew experience.

4.2 Thai Iced Coffee Ingredients

  • Arabica Coffee Beans: Thai iced coffee typically uses Arabica beans, which produce a smoother and less bitter coffee flavor compared to Robusta beans.
  • Sweetened Condensed Milk: Just like in Vietnamese iced coffee, this ingredient brings richness and sweetness to the drink.
  • Cardamom (Optional): Some versions of Thai iced coffee add cardamom, which gives the drink a unique, aromatic spice note that sets it apart.
  • Ice: Crushed ice is used to cool the coffee down and make it refreshing.

A side-by-side comparison of Vietnamese iced coffee with a phin filter and Thai iced coffee with a cinnamon stick, highlighting their unique flavors.

5. Which Sweet Iced Brew Reigns Supreme?

5.1 Choosing Based on Flavor Preferences

  • For Bold Coffee Lovers: If you enjoy a strong, bold coffee flavor with a hint of bitterness, then Vietnamese iced coffee is likely the better choice. Its robust flavor and intense coffee kick will satisfy those who prefer a more serious coffee experience.
  • For Sweet and Smooth Drinkers: If you’re looking for a smoother, sweeter coffee with a touch of spice, Thai iced coffee might be the better option. The addition of cardamom and the lighter, less bitter coffee beans makes it a great choice for those who enjoy a more balanced, aromatic brew.

5.2 The Best for Hot Weather

Both drinks are refreshing, but if you’re looking for a thirst-quenching iced coffee to cool down on a hot day, Thai iced coffee might have the edge. The use of crushed ice makes it slightly more refreshing, while the smooth flavor can feel more hydrating compared to the stronger Vietnamese iced coffee.

5.3 Which One Should You Try First?

If you’re new to iced coffee and want something easy to enjoy, start with Thai iced coffee. Its smoother, more approachable flavor is easier for many to love. On the other hand, if you’re already a fan of strong, bold coffees, Vietnamese iced coffee is an excellent choice that offers a more intense flavor experience.


CONCLUSION:

Both Vietnamese and Thai iced coffee offer unique flavors and experiences that are sure to satisfy your iced coffee cravings. Whether you prefer the bold intensity of Vietnamese iced coffee or the sweet, smooth notes of Thai iced coffee, both beverages are worth trying at least once. Why not give both a shot and discover which sweet iced brew reigns supreme for you?

👉 Check out more iced coffee recipes and dive into the world of cold coffee delights!

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