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Build directly over cubed ice, top with soda, and stir gently

Tom Collins

A classic Collins built directly over ice, where gentle Old Tom sweetness softens fresh lemon before a cold soda lift.

Verified by CocktailSteps Editorial Team · Reviewed August 25, 2026

Time
4 minutes
Level
Easy
Glass
Highball
Approx. ABV
11% · Low-medium
Start guided make →Quick check
Tom Collins served in a highball

Measured for the room

Ingredients

Number of servings
  • Clear Old Tom gin in an unbranded bottle
    Old Tom gin

    Recommended brandHayman’s Old Tom Gin

    1.5 oz
  • Fresh lemon juice in a small carafe beside a cut lemon
    Fresh lemon juice

    Recommended brandSunkist Lemon

    1 oz
  • Clear simple syrup in an unbranded bottle
    Simple syrup

    Recommended brandMonin Pure Cane Syrup

    0.5 oz
  • Bottle with a generic Soda label
    Soda water

    Recommended brandFever-Tree Premium Club Soda

    2 oz
  • Thin fresh lemon slice
    Lemon sliceOptional

    Recommended brandSunkist Lemon

    1 slice
  • Dark red cocktail cherry in a small glass dish
    Cocktail cherryOptional

    Recommended brandLuxardo Original Maraschino Cherries

    1 piece

Amounts scale from the verified one-glass recipe. Technique and timing stay unchanged.

Choose your bottle

Bottle buying guide

Best fit is our default. Spend less with Smart buy, or choose Upgrade when you want more character.

  • Base spirit

    Old Tom gin

    Choose a rounded Old Tom gin with clear juniper and gentle sweetness; barrel-aged examples make a darker variation.

    • Best fit · RecommendedHayman’s Old Tom GinApprox. $29–31 · 750 ml

      Soft citrus, juniper, and restrained sweetness suit the classic long Tom Collins build.

    • Smart buyRansom Old Tom GinApprox. $33–40 · 750 ml

      Malt richness and botanical depth create a rounder, lightly colored Collins variation.

    • UpgradeBarr Hill Tom Cat GinApprox. $50–58 · 750 ml

      Oak and raw-honey character make a richer modern Old Tom interpretation with a longer finish.

Approximate U.S. shelf prices reviewed July 2026. Local price and availability vary.

Measured method

How to make Tom Collins

  1. 01

    Add the Old Tom gin

    Cubed ice · 1½ oz Old Tom gin

    Fill a highball with cubed ice, then pour in 1½ oz Old Tom gin.

    Add the Old Tom gin stage with aged brass cocktail jigger
    Add the Old Tom gin visual check
  2. 02

    Add lemon and syrup

    1 oz lemon · ½ oz simple syrup

    Add 1 oz fresh lemon juice and ½ oz simple syrup to the glass.

    Add lemon and syrup stage with aged brass cocktail jigger
    Add lemon and syrup visual check
  3. 03

    Top with soda

    2 oz soda water

    Top gently with 2 oz cold soda water.

    Top with soda stage with unbranded bottle of soda water
    Top with soda visual check
  4. 04

    Stir gently

    Stir gently · 4 sec

    Stir gently for 4 seconds to combine the build without flattening the soda.

    Stir gently stage with long metal bar spoon
    Stir gently visual check
  5. 05

    Add lemon and cherry

    1 lemon slice · 1 cocktail cherry

    Set 1 lemon slice and 1 cocktail cherry securely at the rim.

    Add lemon and cherry stage with fresh lemon slice and dark red cocktail cherry
    Add lemon and cherry visual check
Key move

Use Old Tom gin and keep the soda bubbles alive with a short, gentle stir

Verified technique note

Why this build works

The Tom Collins stays long and refreshing because 1½ ounces of Old Tom gin are balanced by 1 ounce of fresh lemon and only ½ ounce of simple syrup before 2 ounces of soda add length. Old Tom's gentle sweetness supports the smaller syrup measure without hiding the gin's botanicals. Building directly over cubed ice follows the Collins method and avoids the extra aeration of a Fizz. The soda goes in after the still ingredients, while a short four-second stir distributes the denser citrus and syrup without stripping away carbonation.

Common failure points

The drink tastes sharply layered, with syrup settled near the bottom.
Complete the gentle four-second stir after adding the soda water.
The finished highball is flat before it reaches the table.
Use cold soda and stop after two slow spoon rotations.
Measure or substitute

London dry gin can replace Old Tom at the same 1½-ounce measure, but the result will be drier; keep the ½ ounce of syrup initially, then adjust only after tasting the built drink.

Set the station

Tools

  • Aged-brass Japanese-style jigger
    Jigger

    Recommended brandCocktail Kingdom Japanese Style Jigger

  • Long aged-brass bar spoon
    Bar spoon

    Recommended brandCocktail Kingdom Teardrop Barspoon

  • Empty clear highball glass
    Highball glass

    Recommended brandRIEDEL Drink Specific Highball

Know the pour

Low-medium

Old Tom gin is lengthened with lemon, syrup, soda, and serving ice.

Contains alcohol. Serve only to adults of legal drinking age and enjoy responsibly.

Bartender mode

05 steps

Quick Check

The whole recipe at one glance. No tutorial animation.

Ratio
1½ oz Old Tom gin · 1 oz lemon · ½ oz syrup · 2 oz soda
Tools
Jigger · Bar spoon · Highball glass
Technique
Build directly over cubed ice, top with soda, and stir gently
Timing
4-second gentle stir · serve immediately

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Technique before spectacle. Taste before hurry.

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