Head to head

South Side vs. Tom Collins

South Side and Tom Collins side by side: what changes in the recipe, the balance, the strength and the calories.

The difference

Gin, lemon and sugar in both. The South Side shakes them with mint and serves them short and up; the Tom Collins skips the mint, uses much less sugar and is filled up with soda water.

By the numbers

The South Side uses mint where the Tom Collins uses soda water; both have gin, lemon juice and simple syrup. In parts, a South Side is 4 gin, 2 lemon and 1 syrup; a Tom Collins is 1 lemon, 2 gin and 2 soda. By volume, the South Side is 57% spirit, 29% citrus and 14% syrup and sugar; the Tom Collins is 39% mixer and juice, 39% spirit, 19% citrus and 3% syrup and sugar.

The South Side is the stronger drink in the glass (13.6% ABV against 11.1%), but being smaller it holds about the same alcohol (1.35 standard drinks each). The South Side has more calories (about 178 against 150) and more sugar (10.0 g against 3.5 g). Both are shaken; the South Side is served in a coupe, the Tom Collins in a highball.

On the ratio map

SpiritVermouthCitrusMixerSyrupLiqueurSouth SideTom Collins

Each drink sits nearer the corners it has more of: spirit, vermouth and bitter, citrus, mixer, syrup or liqueur. The gray dots are the other classics. Explore the full ratio map.