Classic cocktail · Guided recipe

Irish Whiskey Sour

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Grain sweetness instead of rye pepper, and no smoke at all. The lemon has less to fight here, so the drink comes out rounder and easier than a bourbon sour, which makes it the one to hand somebody who says they don't like whiskey.

Preparation~2 minEasyStrengthStrongabout 25% ABVMethodShaken8 guided stepsIngredients3Short (rocks) glass
Sour

In the glassIrish whiskey · Fresh lemon juice · Simple syrup

See exact amounts
Irish Whiskey Sour in a heavy low rocks glass styled in a small jazz bar with oxblood plaster, old brass trim and scratched dark wood.
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.
  • Irish whiskey60 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 irish whiskey into your shaker

    • Irish whiskey
  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 Irish Whiskey Sour

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

Pot still, blend, malt

Irish whiskey splits into three broad camps, and each one makes a noticeably different sour. Blends are soft and fruity, the safe choice. Single pot still, made from malted and unmalted barley in a copper pot, is spicier and thicker in the mouth. Single malt sits between them, often with more sherry influence. Prices tend to run below comparable Scotch, so experimenting costs little.

Common questions

Irish Whiskey Sour FAQ

Does single pot still whiskey earn its price in a sour?

It changes the drink more than a blend upgrade would. Pot still brings a thick, slightly oily body and a green-apple note that survives 22 ml of lemon. Jameson and its cousins go softer and sweeter. Both work; the pot still version simply tastes like more of something.

Does this want a foam top like a Pisco Sour?

Not by default, though it suits this whiskey. Half an egg white, or 15 ml from a carton, gives a foam collar and rounds off the lemon's edges. Shake once without ice to build the foam, then again with ice. Leave it out if you want the drink bright and quick.

Someone says they hate whiskey. Is this the one to hand them?

Probably. Irish whiskey is usually triple distilled and light on oak tannin, so there is no rye burn and no peat to explain away. Serve it over plenty of ice and let it dilute a little. If they still find it strong, take the whiskey down to 45 ml.

Out of lemons. Will lime do?

It will, though you are making a different drink. Lime is sharper and more floral, and it pushes Irish whiskey toward daiquiri territory rather than sour territory. Cut it to 20 ml and add a couple of dashes of Angostura to put some spine back in.

What ingredients are in an Irish Whiskey Sour?

A classic Irish Whiskey Sour calls for 60 ml (2 oz) Irish whiskey, 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 an Irish Whiskey Sour?

A standard Irish Whiskey Sour is roughly 25% 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 an Irish Whiskey Sour shaken or stirred?

An Irish Whiskey 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.