Introduction

Dalgona coffee became one of the most viral food moments of 2020 when lockdowns created an enormous captive audience of home-bound coffee lovers with time to experiment. The concept is straightforward but the result is genuinely spectacular: equal parts instant coffee, sugar, and boiling water whipped together vigorously until the mixture transforms into a thick, glossy, caramel-coloured foam that sits on top of cold milk like a cloud.

The chemistry behind the transformation is the same as whipping cream. The instant coffee granules, combined with sugar and water, create a foam structure that traps air bubbles when agitated. The sugar provides stability to the foam and prevents it from collapsing too quickly. The result is a foam with a texture closer to whipped cream than anything you would expect from dissolved coffee.

The flavour is intensely, almost shockingly coffee-forward. The concentration of instant coffee in the whipped topping produces a bittersweet intensity that slowly dissolves into the cold milk beneath as you drink, creating a drink that starts strong and finishes mellow. The drinking experience changes with every sip as the foam and milk combine in different proportions.

History and Background

Dalgona coffee takes its name from a Korean sugar candy called dalgona, whose taste the drink was said to resemble. The preparation itself, however, has roots in various whipped coffee traditions across South Asia, where beaten coffee known as phenti hui chai or phenti hui coffee has been made for decades in India and Pakistan.

The Korean television personality Jung Il-woo is credited with popularising the specific name dalgona coffee after trying the drink at a cafe in Macau in 2019. The format exploded globally on TikTok and Instagram during the COVID-19 lockdowns of early 2020 as millions of people discovered it and began making and sharing videos of the whipping process and the finished drink.

Dalgona coffee became one of the most searched food terms of 2020 and introduced a global audience to the concept of whipped coffee beverages, inspiring subsequent variations using matcha, horlicks, ovaltine, and various other instant beverages in the same whipped foam format.

Dalgona Whipped Coffee That Broke the Internet

Recipe by By butter u0026 berriesCourse: Cold Coffee

Servings

1

servings

Prep time

5

minutes

Cooking timeminutes

Calories

180

kcal

Ingredients

• 2 tbsp instant coffee

• 2 tbsp white sugar

• 2 tbsp boiling water

• 200ml cold milk whole or plant-based

• Ice

Directions

• Combine instant coffee, sugar, and boiling water in a bowl.
• Whisk vigorously by hand for 3 to 4 minutes or use a hand mixer for 1 to 2 minutes until thick, glossy, and tripled in volume.
• The mixture is ready when it holds stiff peaks like whipped cream.
• Fill a glass with ice.
• Pour cold milk over the ice.
• Spoon the whipped coffee foam over the milk.
• Stir before drinking to combine foam and milk.

Tips

• A hand mixer or electric whisk reduces the whipping time from 4 minutes to 90 seconds dramatically. A manual whisk works but requires sustained effort.
  The mixture must reach stiff peaks before it is ready. Under-whipped foam is runny and does not sit on the milk surface. Keep whipping until genuinely stiff.
  Equal proportions of coffee, sugar, and water are non-negotiable. Changing the ratio affects the foam stability significantly.
  Only instant coffee works for this recipe. Brewed espresso or filter coffee does not contain the same granule structure that creates the foam.
  The foam keeps at room temperature for about 30 minutes before beginning to weep. Make immediately before drinking.
  Sweetened condensed milk instead of regular milk and no ice produces the original South Asian version called beaten coffee.
  A pinch of salt in the whipped foam amplifies the coffee flavour and reduces bitterness significantly.

Variations

Make a matcha dalgona by replacing instant coffee with matcha powder for a green, earthy foam version. Use cocoa powder and sugar for a chocolate dalgona that pairs beautifully with cold milk. Make a chai dalgona using instant chai powder. Replace regular milk with oat milk for a dairy-free version. Add a shot of espresso under the milk for an extra caffeine hit. Make a brown sugar dalgona using dark brown sugar instead of white for a deeper, more molasses-like flavour.

Storage and Serving

Serve immediately after making the foam while it is at maximum volume and stability. Present in a clear glass so the layered effect of the foam over the white milk is visible. The visual before stirring is the signature of this drink. The foam begins deflating after 20 to 30 minutes at room temperature. The whipped foam can be refrigerated for up to 24 hours in an airtight container and re-whipped briefly before serving.

FAQs

Q: Why is my foam not thickening?
A: The ratio may be off or you have not whipped long enough. Ensure equal parts and keep whipping. Also ensure you are using instant coffee and not ground coffee.

Q: Can I use decaf instant coffee?
A: Yes, decaf instant coffee whips exactly the same as regular. The foam texture is identical.

Q: Why does my foam taste bitter?
A: Reduce the coffee quantity slightly or increase the sugar. The sugar quantity directly controls the sweetness and bitterness balance.

Q: Can I make a large batch of foam?
A: Yes, the foam keeps refrigerated for 24 hours. Make a larger batch and store in a sealed container. Re-whisk briefly before using.

Q: Does it work with plant-based milk?
A: Yes, any cold milk works beneath the foam. Oat milk, almond milk, and soy milk all work well.

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