Cold brew refers to the process of preparing the coffee, not the temperature of the final product. Beans are ground then soaked in room temperature water for an extended period of time, usually 12 hours or more. The result? A super-smooth, less acidic, and highly caffeinated coffee that can be served hot or cold.
Iced coffee is brewed using hot water to extract flavor (resulting in a hot cup of coffee) which is then poured over ice – think flavor dilution.
Cold brew contains half the acidity (due to itsIced coffee yields a thinner taste due to the melting ice.
Cold brew can be served hot or cold, with a splash of milk, as an ingredient or enjoyed straight.