Frappé: Iced Greek Coffee vs South Indian Filter Coffee

Both drinks prize foam, but they build it in opposite ways. The frappé whips instant coffee, sugar and a splash of cold water into a thick golden-brown foam, then pours it over ice and tops it with cold water, with milk only an optional creamy finish; the result is light, icy and refreshing. South Indian filter coffee starts from finely ground coffee slowly dripped into a strong decoction, then relies on near-boiling milk poured from a height and passed between tumblers for a warm, frothy, milky cup.