Learn how to make creamy Dalgona Coffee in 3 easy steps Here’s what you’ll need to make (a single serving of) dalgona coffee: Instant coffee Sugar Hot water A hand mixer (or a whisk or a spoon, but see notes below) Milk or an alt-milk Yes, that's really it. Dalgona coffee is a beverage made by whipping equal proportions of instant coffee, sugar and hot water until it becomes creamy and then adding it to cold or hot milk. Occasionally, it is topped with instant coffee, cocoa, crumbled biscuits, or honey. While most dalgona coffee doesn't actually contain dalgona, the South Korean version of honeycomb toffee candy, one South Korean cafe does actually combine dalgona with milk tea or coffee.