New York (CNN Business) Starbucks just unveiled its latest coffee drink: The cloud macchiato, made with egg-white powder.

The new drink, which comes iced or hot, will be served at stores in the United States and Canada and is a permanent addition to the menu.

Introducing a new type of foam fit for both hot and iced drinks is a way for Starbucks to drive growth in its successful line of cold beverages — and help build excitement around new cold beverages as customers move away from Frappuccinos.

The new cloud macchiatos come in caramel and cinnamon.

For the cloud macchiato, Starbucks drew inspiration from a Spanish drink called leche merengada, or "merengue milk." An in-house team developed a recipe for the cloud powder that includes egg whites and milk for a meringue-like texture. The resulting foam is comparable to Starbucks' cold foam, which it introduced broadly last year.

The cloud macchiato comes in caramel and cinnamon flavors.

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