Auld Alliance de CassisCocktail recipe
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Auld Alliance de Cassis is a whisky sour-style cocktail that leans into a distinctly French accent, pairing whisky with crème de cassis for a darker, fruit-forward twist. While it isn’t a widely documented classic with a fixed origin story, it sits comfortably in the modern family of sours that use liqueur and citrus to reshape a base spirit’s character. You’ll find it reads as both familiar and slightly unexpected: part whisky sour, part cassis-kissed aperitif.
On the palate, whiskey brings structure and warmth, while crème de cassis adds deep blackcurrant sweetness that immediately changes the drink’s centre of gravity. Lemon juice cuts through with bright acidity, and simple syrup smooths the edges so the tart and sweet land in balance rather than conflict. A dash of aromatic bitters adds a subtle spiced lift, and the egg white gives a soft, creamy texture that rounds everything into a plush, cohesive sip.
Serve it when you want a sour that feels richer and more indulgent than the usual citrus-forward template. It suits whisky drinkers who enjoy a touch of fruit, and it’s an easy win for anyone who likes their cocktails silky, balanced, and gently perfumed rather than sharp. Think pre-dinner sophistication, date-night energy, or a slow, late-evening pour.
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Ingredients
Cocktail Colin says:
Whiskey leads with a warm backbone as crème de cassis brings deep blackcurrant richness, brightened by sharp lemon juice and rounded by simple syrup, while aromatic bitters add a faint spice and egg white gives a silky, foamy cushion. It works because the lemon’s snap and bitters’ edge keep the cassis from turning cloying, making it ideal for sour lovers who want a darker, jammy fruit note.
Method
How to make a Auld Alliance de Cassis
- Whiskey 60ml, Creme de cassis 22.5ml, Lemon juice 30ml, Sugar / simple syrup 15ml, Aromatic bitters Dash, Egg 1 egg white
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- Put all the ingredients into a shaker with no ice
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- Start with the egg white just in case you make a mistake when separating the egg white from the yolk
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- Dry shake (without ice) for 30 seconds
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- Add ice and shake for another 10 seconds
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- Strain into a chilled cocktail glass
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- Garnish with dark fruit and lemon rind, and serve
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FAQ's
Can I substitute a different type of whiskey for the one suggested in Auld Alliance de Cassis?
Yes, you can substitute the whiskey recommended in the Auld Alliance de Cassis cocktail with another type of whiskey that you prefer or have on hand. The flavor profile of the cocktail might change slightly depending on the whiskey's characteristics, but it can still create a delightful drink. For example, using a rye whiskey can introduce spicy notes, while a Scotch might add a smoky flavor.
What are some garnishing tips for Auld Alliance de Cassis?
For garnishing the Auld Alliance de Cassis, you can consider a lemon twist or a few blackcurrants to accentuate the flavor of the creme de cassis. Alternatively, a thin slice of lemon or a few edible flowers can add a touch of elegance and color to this sophisticated cocktail.
What is the best way to serve the Auld Alliance de Cassis?
The Auld Alliance de Cassis should be served in a chilled cocktail glass to maintain its cold temperature. Pouring the shaken mixture through a fine mesh strainer can ensure a smooth texture, especially important due to the inclusion of egg white. Serving it immediately after preparation will ensure the best taste and presentation.
How does the alcohol content of Auld Alliance de Cassis compare to other classic cocktails?
The Auld Alliance de Cassis has an alcohol content of 21.28%, placing it in the moderate range of strength compared to other classic cocktails. For instance, a Margarita typically has an alcohol content around 40%, making it stronger, while a Mimosa contains about 10% alcohol, making it lighter. The Auld Alliance de Cassis offers a balanced strength that can be suitable for those preferring a not too strong or too light cocktail.
What occasions are best suited for serving Auld Alliance de Cassis?
The Auld Alliance de Cassis, with its elegant presentation and sophisticated flavor profile, is perfectly suited for formal gatherings or special occasions such as cocktail parties, romantic dinners, or celebratory events. Its unique blend of ingredients makes it an interesting choice for those looking to offer something a bit different from the standard cocktail fare.
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