Sweet Lime Chaas

Whisk together yogurt, water, and salt in a bowl until smooth and salt dissolves.

Place lime wedges, sugar, and mint leaves in a glass and smash with a muddling stick or the blunt end of a thick wooden handle until lime juice is extracted, mint leaves are bruised, and mixture is fragrant, about 1 minute. Stir into drink base and garnish with mint sprig.