changes.
Prepare another small amount of warm coffee—make sure it’s warm or lukewarm, never boiling hot—then pour it into the bottle over the frozen coffee.
Close the bottle tightly and shake vigorously for a few moments. As the frozen coffee mixes with the fresh coffee, the texture will become smooth, creamy, and beautifully frothy.
Pour into a glass and enjoy immediately—cold, intense, and incredibly refreshing.
