Til'amin froth was a beverage. Quark was known to serve Til'amin froth in his bar on Deep Space 9 which was well regarded. Jadzia Dax, Ezri Dax and Julian Bashir have ordered it. (DS9 episodes: "Empok Nor", "Who Mourns for Morn?", "Covenant") Til'amin froth continued to be served in Quark's bar on the second Deep Space 9. (DS9 eBook: Rules of Accusation)