Instant coffee is a beverage derived from processed brewed coffee beans that is quickly prepared by adding hot water or milk to powdered solid coffee extracts. Instant coffee solids in powdered or crystallized form refers to dehydrated and packaged solids used to make the instant coffee beverage. The product was invented in 1890 in Invercargill, Southland, New Zealand. Instant coffee solids are commercially prepared by either freeze-drying or spray drying coffee beverage. Instant coffee is also manufactured in a concentrated liquid form.