How to make:
POUR all ingredients into ice-filled glass.
Read about cocktail measures and measuring.
A lower alcohol and lower sugar version of a Gin & Tonic with a smaller serve of gin topped with equal parts tonic water and soda water so reducing the alcohol and sugar associated with the tonic in a regular G&T.
Originating in Tokyo, Japan in the noughties, "Sonic" is a combination of soda and tonic.
One serving of Gin Sonic Highball contains 117 calories.