The perfect drink for hot days: Refreshingly sparkling, delicately sweet, and simultaneously invigorating, the ‘Bittersweet’ by Muster.Gamlitz effervescently bubbles over the ice cubes in the glass. Intense herbal aromas rise to the nose, while the palate tingles with the finely sparkling homemade tonic, underscored by the stimulating bitter note of vermouth…