Susan Choi’s essentials for the perfect vermouth tonic:
Best vermouth for a vermouth tonic: Cocchi Vermouth di Torino, $20 at Total Wine
Best alternative vermouth: Carpano Antica Formula Sweet Vermouth, $31 for 750 ml., Total Wine
Best ice molds: ClearlyFrozen Highest Rated (4.6 Star) Highest Capacity (10 2-Inch Cubes) Clear Ice Tray, $50 at Amazon
Best tonic water: Fever-Tree Indian Tonic Water, $45 for 24 6.8-ounce bottles at Amazon
Best chopsticks for mixing: Muyos Stainless Steel Chopsticks, five pairs, $8 at Amazon



