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Kir Royale

Champagne poured over a splash of crème de cassis — the celebratory, sparkling big sister of the Kir.

Difficulty
easy
Prep time
2 min
Strength
12.9% ABV
Glassware
Champagne flute
Base
sparkling wine
Serves
1

Ingredients

  • Crème de cassis
    15ml
  • Champagne or dry sparkling wine
    115ml

Garnish: Fresh blackberry (optional)

Scale for a party

Method

  1. Chill the flute and the sparkling wine thoroughly beforehand.
  2. Pour the crème de cassis into the bottom of the flute.
  3. Top slowly with the sparkling wine, pouring down the side of the glass.
  4. Do not stir — the two will marble together naturally; give the glass one gentle swirl at most if needed.

Equipment

Don't have everything? Here's what works instead.

  • Jigger

    Household swap: A tablespoon measure (1 tbsp ≈ 15ml)

  • Corkscrew

    Household swap: Most sparkling wine uses a wired cage and cork you can twist out by hand — no corkscrew needed, just hold the cork and turn the bottle.

Missing an ingredient?

Each swap below says what it changes and how to correct for it, so you can decide whether you are making this drink or a neighbouring one.

  • Instead of Crème de Cassis

    Best substitute: Chambord

    This is the modifier in this drink.

    Quantity: Use the same amount

    Flavour impact: Chambord brings a jammier raspberry-blackberry note in place of cassis's more purely blackcurrant tartness, sometimes called a Kir Framboise.

    What changes

    Expect less sweetness. Still a good drink, and a slightly different one.

    Sweetness ↓
    Less sweetness leaves the acid and the spirit more exposed, so the drink will taste sharper and drier than it should.
    Character
    Both are jammy, sweet and rich, and you lose blackcurrant, and you gain raspberry. Numbers can't see this: two ingredients can be identically sour and still smell nothing alike.

    To correct for it

    • Add a little more syrup, a small amount at a time, until the edges come back together.
    High confidenceA well-known named variation using an easily available substitute liqueur.Shifts the drinkBecomes a variation

  • Instead of Sparkling Wine

    Best substitute: White Wine

    This is the base in this drink.

    Quantity: Use the same amount, ideally a crisp, dry white

    Flavour impact: Replacing the sparkling wine with a still dry white wine produces the original, non-royale Kir.

    What changes

    Expect less texture. Still a good drink, and a slightly different one.

    Texture ↓
    The drink loses its fizz, and with it the lift that was carrying the aromatics — it will read as flatter and sweeter.
    Character
    Both are crisp, and you lose effervescent, dry and bright, and you gain light, acidic and fruity. Numbers can't see this: two ingredients can be identically sour and still smell nothing alike.

    To correct for it

    • Serve it colder and consider a touch more acidity to replace the lift the bubbles were providing.
    High confidenceThis is literally the base recipe the Royale is built from.Shifts the drinkBecomes a variation

Make it better

  • Pour the cassis first and the wine after — reversing the order makes it far harder to gauge how much cassis you've actually used.
  • A drier, more acidic sparkling wine balances the cassis better than a very sweet one.
  • Chill both components properly; a warm Kir Royale loses its fizz and turns cloying fast.
  • Add the carbonated mixer last, after shaking or stirring the rest, and pour gently to keep as much fizz as possible.
  • Adjust sweetness gradually and taste as you go — it's easy to add more syrup, impossible to take it out.

Rescue this drink

Too sweet
Use a scant 10ml of cassis instead of 15ml, or top up with a touch more sparkling wine.
Not sweet or fruity enough
Add another 5ml of cassis — a little goes further than expected once the wine dilutes it.
Goes flat quickly
Only build one glass at a time from a freshly opened, well-chilled bottle; sparkling wine loses its fizz fast once poured.
Too weak or waterygeneral guidance
Add a splash more of the base spirit rather than extra mixer. For stirred or built drinks, over-dilution from ice is the usual cause — try a shorter stir or fewer, larger ice cubes.
Too sourgeneral guidance
Add a little more sweetener (simple syrup or the cocktail's usual sweetening ingredient), a small amount at a time.
Served too warmgeneral guidance
Chill the glass, ice and every ingredient ahead of time — a warm pour is the fastest way to lose a cold drink's balance. For one serving, there's no real fix beyond rebuilding it properly chilled; for a batch, keep everything refrigerated until the moment of serving and add ice last.

Make ahead & storage

Batch the base, finish at serving

Batch the base days ahead and add champagne or dry sparkling wine when you pour.

Champagne or dry sparkling wine:
Carbonated — it goes flat in a bottle, and there is no way to put the fizz back.

What it tastes like

The taste, and what drives it

sweet, gentle, very light, sparkling — a long and lengthened drink served straight up, no ice.

Sweet

Dry → Sweet

Openly sweet, and balanced by something else rather than hidden.

What drives it: Crème de cassis — carries the most sugar into the glass.

Gentle

Soft → Sharp

A trace of acidity, there to lift rather than to be noticed.

What drives it: Champagne or dry sparkling wine — supplies the acidity.

Very light

Light → Rich

Almost weightless in the mouth — closer to a long soft drink than to a sipper.

What drives it: Champagne or dry sparkling wine — adds most of the weight.

Very sparkling

Still → Sparkling

Carbonated, which lifts the aromatics and makes the drink taste drier than its sugar content alone would suggest.

What drives it: Champagne or dry sparkling wine — carries the carbonation.

Moderate

Delicate → Bold

Moderate: assertive enough to hold its own, mild enough for a second.

What drives it: Champagne or dry sparkling wine — is the most concentrated thing in the glass.

What you smell first

  • Orchard fruitLeads

    From Champagne or dry sparkling wine

  • Berry

    From Crème de cassis

Every aroma here comes from the liquid itself; nothing is layered on top.

How it was worked out

Each reading comes from the recipe's own recorded taste scores combined with what each ingredient contributes, weighted by how much of it is in the glass. Almost everything in this drink has detailed ingredient data behind it.

How balance actually works →

If it isn't right

What goes wrong with this drink, and why

Only the faults this particular recipe is actually prone to — each with the likely cause, the adjustment, and what the adjustment costs you.

The fizz is the last thing in, and the first thing lost

Worth knowing

Carbonation escapes to warmth, agitation and anything it can cling to — pulp, sugar crystals, a dry glass wall.

How to handle it: Chill the mixer hard, pour it against the inside of the glass, add it last, and stir once at most.

  • It's too sweet

    Likely cause
    Crème de cassis is carrying the sugar here, and it is the easiest thing in the drink to over-pour — syrup clings to a jigger and a "splash" is rarely the same twice.
    What to change
    Cut crème de cassis by about a third and rebuild. If it is already made, a squeeze of citrus is faster than starting again.
    What that does
    It will taste drier and slightly thinner — sugar carries body as well as sweetness, so you lose a little weight along with it.

  • It tastes weak

    Likely cause
    Usually dilution rather than measurement: building in the glass adds water as it chills, and wet or small ice adds far more of it than cold, large ice does.
    What to change
    Use larger, colder ice and work faster. Adding more spirit fixes the symptom and unbalances everything else.
    What that does
    The drink gains definition without gaining sugar. It will also read as slightly sharper, which is what 'more presence' usually means in practice.

  • It's gone flat

    Likely cause
    Champagne or dry sparkling wine loses gas to warmth, to agitation and to anything it can nucleate against — pulp, sugar crystals, a dry glass.
    What to change
    Chill the mixer properly, add it last, pour it against the inside wall of the glass, and stir once at most.
    What that does
    The bubbles last, which also makes the drink taste drier — carbonation contributes a real acidity of its own on top of the lift.

  • It doesn't smell of anything

    Likely cause
    This drink's aroma comes from orchard fruit and berry, carried in the liquid. Serving it too cold suppresses that: volatile compounds do not leave a very cold drink.
    What to change
    Let it sit for a minute before drinking, and use a glass that narrows towards the rim to concentrate what does escape.
    What that does
    More of the aroma escapes and the drink reads as more intense. The cost is temperature: a drink left to warm also dilutes faster, so this is a trade against how long it stays right.

  • It tastes one-dimensional

    Likely cause
    With 2 components there is nowhere for complexity to hide — a long and lengthened drink is exposed by design, so a dull one is usually a dull ingredient rather than a missing step.
    What to change
    Change the quality of what is there before adding anything new: fresh citrus rather than bottled, a better base bottle, a dash of bitters. Bitters add layers at a scale nothing else matches.
    What that does
    More going on at the same strength and sweetness. Adding a whole extra ingredient instead usually produces a muddier drink rather than a deeper one.

Taste profile

Sweetness
3/5
Sourness
1/5
Bitterness
0/5
Strength
2/5
Fruitiness
3/5
Freshness
3/5
Creaminess
0/5
Smokiness
0/5

Nutrition & alcohol

Estimate onlyBased on standard 15ml/115ml pours; exact ABV varies by cassis and sparkling wine brand.
Calories
128 kcal
Sugar
11 g
Carbohydrates
12 g
Alcohol units (UK)
1.68
US standard drinks
0.95
ABV
12.9%
Serving size
130 ml
Show calculation assumptions

Source: Calculated from standard measures

Calorie breakdown: ~93 kcal from alcohol, ~35 kcal from sugar and mixers.

Likely range: 96–160 kcal, reflecting the confidence level above — not a lab-measured figure.

Assumes sparkling wine at 12% ABV and crème de cassis at 20% ABV.

These figures are estimates, not laboratory measurements — individual tolerance to alcohol varies. See our responsible drinking guidance.

Variations

  • Kir

    Replace the sparkling wine with a still, dry white wine for the original, quieter version this drink is built from.

  • Communard

    Replace the sparkling wine with red wine for a deeper, more rustic version sometimes called a Cardinal or Communard.

What kind of drink this is

The structure behind the recipe

A built build: a long and lengthened sparkling-wine-based drink, served straight up, no ice — sparkling in the mouth.

Long and lengthened

A short measure stretched with a mixer or juice — the drink's length, not its concentration, is the point of it.

  • Base

    Champagne or dry sparkling wine

  • Modifier

    Crème de cassis

Technique

built

Components are poured into the serving glass over ice and stirred once, or not at all. Dilution happens while you drink rather than before.

The drink changes as you go: strongest at the first sip, longest and most diluted at the last. That drift is a feature of a long drink and a fault in a short one.

What it ruins: Nothing, but it cannot properly combine anything viscous — a syrup poured last will sit at the bottom.

Everything about building in the glass →How the technique works →

Dilution

In the glass, as you drink

Water from ice typically makes up around 15% of the finished drink for a built build (commonly 10–20%). Dilution is an ingredient here, not a side effect.

Why dilution is an ingredient →

Served

Straight up, no ice

Champagne flute · 130ml

Chilled during mixing and then strained away from the ice, so it arrives at its coldest and most concentrated and warms from the first sip — which is why 130ml is the right size for it.

Texture and aroma

Sparkling

Carbonation lifts aromatics and adds a slight acidity of its own, which is why a long drink can taste drier than its sugar content suggests.

No dedicated aromatic component — what you smell is the spirit itself, which is a deliberate choice in a drink this spare.

Where to go from here

Each of these is here because of something specific about this drink, not as a standard set of links.

Where it comes from

Origin and family

Origin of the Kir Royale

French, from Burgundy; named after Dijon mayor Félix Kir who popularised the still wine-and-cassis original in the mid-20th century, with the Royale using Champagne for special occasions.

1934–1979Other mid-century drinks →

On drinks history

Cocktail origin stories are frequently repeated and rarely evidenced. Our history section separates what is documented from what is folklore rather than picking whichever version reads best.

History and culture →

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Related tools

Scale this for a party

Work out bottles, mixers, ice and total alcohol units for any number of guests.

Recipe confidence

A simple, extremely well-documented two-ingredient French classic.

High confidence