Ingredients
| Ingredient | Amount | Notes |
|---|---|---|
| Strong brewed coffee or espresso, chilled | 1/2 cup (120ml) | Phin-brewed Robusta gives it a flavor profile closer to Vietnamese phin coffee; strong coffee or espresso also works |
| Sweetened condensed milk | 1/4 cup (60ml), adjust to taste | See the condensed milk guide for background on this ingredient |
| Ice | 1.5 cups | The main source of the drink's thick, frosty texture |
| Milk | Optional, 1/4 cup | Use only if the blend is too thick and needs thinning |
| Cocoa powder or cinnamon | Optional | Adds aroma and a simple garnish |
Step-by-step method
Step 1: Brew and cool the coffee
Brew strong coffee or espresso using whatever method you have available. Let it cool to room temperature, or chill it in the refrigerator for faster results. Blending hot coffee directly can melt the ice too quickly and produce a thinner, less frosty texture.
Step 2: Add coffee and condensed milk
Pour the cooled coffee and the sweetened condensed milk into a blender jar. Put the liquid ingredients in before the ice so the blender can pull everything down evenly once it starts.
Step 3: Add the ice
Add the ice to the blender on top of the coffee and condensed milk. Use enough ice to make the drink thick and frosty, but avoid packing the jar so tightly that the blades cannot move.
Step 4: Blend until smooth
Blend on high speed until the mixture is smooth, thick, and frosty, with no visible ice chunks remaining. This usually takes 30 to 60 seconds, depending on your blender's power.
Step 5: Adjust to taste
Taste the smoothie. Add more condensed milk if you prefer it sweeter, or a small splash of milk if the texture is too thick to blend evenly or drink comfortably through a straw.
Step 6: Pour and garnish
Pour the finished smoothie into a glass. Dust the top with cocoa powder or cinnamon, if using, for extra aroma and a simple visual finish.
Step 7: Serve
Serve immediately with a straw and a spoon, while the texture is still thick and frosty. This drink is best right after blending, since the ice will continue to melt and dilute it over time.
Variations
Several published versions add extra ingredients beyond the basic coffee, condensed milk, and ice formula. One version adds coconut cream and banana, blending them with the coffee, condensed milk, and ice for a fruitier, more dessert-like result.
A boba variation also exists, though it involves more steps than the base recipe. Tapioca pearls are cooked separately, soaked in a sugar syrup, added to the serving glass, and then topped with the blended coffee smoothie.
An eggnog variation blends Vietnamese-style iced coffee directly with eggnog for a richer seasonal drink. These variations show that "Vietnamese coffee smoothie" works as a flexible home-recipe format rather than one fixed traditional preparation.
How this compares to other Vietnamese coffee drinks
A Vietnamese coffee smoothie is built directly on the flavor profile of cà phê sữa đá: strong coffee sweetened and enriched with condensed milk. The difference is format. Instead of pouring coffee over ice, the smoothie blends coffee, condensed milk, and ice into a thicker, more dessert-like drink.
Because this is a fusion adaptation rather than a drink documented in Vietnam's own coffee tradition, there is no single "authentic" version to match, and no single bean or brewing method is established as more correct than another. For the traditional stirred version, see the Vietnamese Iced Coffee (Cà Phê Sữa Đá) Recipe.