Classic cocktail · Guided recipe

Scotch Sour

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The whiskey sour made with Scotch: whisky, lemon and sugar shaken cold. Smoke and citrus in easy balance.

Preparation~2 minEasyStrengthStrongabout 27% ABVMethodShaken8 guided stepsIngredients3Short (rocks) glass
Sour

In the glassScotch whisky · Fresh lemon juice · Simple syrup

See exact amounts
Scotch Sour in a heavy low rocks glass styled in a private library bar with deep olive leather, natural creases, off-centre seams and aged walnut.
Make it with guidanceOne clear action at a time, with timers built in.

What goes in

Ingredients

An empty clear rocks glass with low straight sides and a heavy base.
Serving glassRocks glass

Set up before you pour

Use a rocks glass.

The low, sturdy bowl suits concentrated drinks and gives one large cube enough width.

Standard size
300 ml10¼ oz
Ice & serve
Fill it with fresh ice cubes.
If you don’t own one
Use a small water tumbler with a heavy base.
Tools to set out
  • cocktail shaker
  • strainer (or a small sieve)
  • jigger or measuring spoon
Compare all glass types
Scale to your short (rocks) glassWe’ll remember this glass size.
  • Scotch whisky60 ml
  • Fresh lemon juice22 ml
  • Simple syrup15 ml

From bottle to glass

Method

  1. 01
    Instructional sketch: Measure and pour spirit whiskey into the shaker tin without serving ice.
    Measure into the shaker

    Pour 60 ml scotch whisky into your shaker

    • Scotch whisky
  2. 02
    Instructional sketch: Measure and pour fresh lemon into the shaker tin without serving ice.
    Measure into the shaker

    Add 22 ml fresh lemon juice

    • Fresh lemon juice
  3. 03
    Instructional sketch: Measure and pour pantry syrup into the shaker tin without serving ice.
    Measure into the shaker

    Add 15 ml simple syrup

    • Simple syrup
  4. 04
    Instructional sketch: Add cubed ice to the shaker tin.
    Ice the shaker

    Fill the shaker with ice

  5. 05
    Instructional sketch: Seal the two-piece shaker and shake it firmly with both hands.
    Seal and shake

    Seal and shake hard

  6. 06
    Instructional sketch: Add cubed ice to the rocks glass.
    Ice the glass

    Fill your glass with fresh ice

  7. 07
    Instructional sketch: Strain the orange cocktail from the shaker into the rocks glass with cubed ice.
    Strain cleanly

    Strain into your glass

  8. 08
    Instructional sketch: Finish the orange drink in the rocks glass with cubed ice with Cherry, Lemon Slice.
    Finish the drink

    Finish it — add a lemon slice and a cocktail cherry

Know your drink

About the Scotch Sour

An Old Fashioned, Whiskey Sour and sparkling whiskey highball in a warm library bar.

Which bottle, and why

Peat is the variable that decides this drink. A soft Speyside blend gives you a sour that tastes like a Whiskey Sour with the corn sweetness taken out. Something from Islay turns it into a different animal, closer in shape to a mezcal sour, where smoke and lemon meet head-on. Neither is wrong. They are not remotely the same drink.

Spending heavily is not repaid here. Lemon and sugar flatten the fine detail an expensive single malt is charging you for, which is why most bars build sours on a solid blend and keep the good bottle for drinking neat. A mid-shelf blended Scotch with some sherry-cask weight to it is the sweet spot.

Common questions

Scotch Sour FAQ

Will an Islay bottling make this taste like a campfire?

It will, and some people want exactly that. If you are unsure, build it on a blend and float 10 ml of something peated on top. The smoke then arrives on the nose first, and you can decide whether the next one gets Islay all the way through.

Is honey syrup better here than plain sugar?

Often, yes. Honey and malt share a lot of ground, and a 1:1 honey-to-water syrup gives the drink a rounder middle than white sugar does. Use the same 15 ml. A dark heather honey will bully the whisky, so keep to something mild like acacia or clover.

Sharp and thin instead of rich. What do I adjust?

Push the sugar to 20 ml before you touch anything else, since 60 ml of whisky against 22 of lemon needs more sweetness than a gin sour would. If it is still hollow, you underchilled it. A sour wants a hard, cold shake and then fresh ice in the glass.

On the rocks or up in a coupe?

Rocks is the house version and it suits Scotch, because the slow dilution keeps opening the whisky as you drink. Served up it hits harder and reads drier, which flatters a lighter blend. Either way, strain onto fresh ice rather than the cubes you shook with.

What ingredients are in a Scotch Sour?

A classic Scotch Sour calls for 60 ml (2 oz) Scotch whisky, 22 ml (0.75 oz) Fresh lemon juice, 15 ml (0.5 oz) Simple syrup. That single-serve spec scales cleanly — the recipe above converts it to oz and multiplies it for 2–4 drinks.

How strong is a Scotch Sour?

A standard Scotch Sour is roughly 27% ABV once mixed (before ice melt softens it further). That makes it spirit-forward — closer to a Martini than to a beer, so sip it slowly.

Is a Scotch Sour shaken or stirred?

A Scotch Sour is shaken — the rule of thumb is to shake anything with citrus juice. About 13 seconds with plenty of ice chills and dilutes it correctly.