Rum Louis Cocktail recipe
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Rum Louis sits firmly in the bright, fruit-forward rum highball tradition: a tall, easygoing mix that leans on citrus and tropical juice to let rum feel breezy rather than heavy. It isn’t a widely documented classic with a fixed origin story, so you can treat it as a modern, crowd-pleasing blend that borrows the “vacation in a glass” sensibility of Caribbean-style rum drinks—built for refreshment and uncomplicated enjoyment.
You’ll find the split base of white rum and dark rum gives you both lift and depth, with the dark rum adding a richer backbone beneath the lighter, cleaner notes of white rum. Pineapple juice brings rounded sweetness that softens the sharper edges of the citrus, while orange juice provides a mellow, sunny mid-palate. Grapefruit juice adds a firmer, slightly bitter-tart snap, and the lemon tightens everything up with a clean, zesty finish that keeps the fruit from feeling too soft.
Serve it long in a highball when you want something sociable and easy to sip—ideal for warm afternoons, casual get-togethers, or anytime you’d normally reach for a citrusy cooler. If you like your drinks juicy but not cloying, and you enjoy a little grapefruit bite alongside rum, this one lands right in your wheelhouse.
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Highball glass
Ingredients
Cocktail Colin says:
White rum and dark rum ride under a rush of orange juice and grapefruit juice, with pineapple juice adding tropical roundness and a full lemon tightening everything into a bright, zesty highball. The split rums give depth without heaviness, while grapefruit’s bite and lemon’s snap keep the orange and pineapple from turning cloying—ideal for citrus lovers who want an easy, breezy rum drink.
Method
How to make a Rum Louis
- White rum 30ml, Dark rum 30ml, Pineapple juice 30ml, Orange juice 60ml, Grapefruit juice 30ml, Lemon 1
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- Add all the ingredients into a cocktail shaker with ice and shake well
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- Strain into a highball glass with ice and serve
Power tips
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Find out more- Use freshly squeezed grapefruit juice for a crisp, tangy flavor that distinguishes the cocktail from heavily processed alternatives.
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Your private tasting notes
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FAQ's
What is the best method to chill the Rum Louis cocktail before serving?
To chill the Rum Louis cocktail effectively, combine all ingredients in a shaker filled with ice. Shake well until the outside of the shaker feels cold. This method blends the ingredients thoroughly while chilling the drink, making it perfectly cold before serving in a highball glass.
What garnishes work well with a Rum Louis?
A slice of lemon or a wedge of pineapple makes excellent garnishes for a Rum Louis. These garnishes complement the citrus and tropical flavor profile of the cocktail, enhancing its visual appeal and taste. Additionally, a sprig of mint could add a refreshing aroma.
Can I substitute another type of juice for grapefruit juice in a Rum Louis?
Yes, if grapefruit juice isn't to your liking or availability, you can substitute it with another citrus juice, like orange juice for a sweeter profile or lime juice for a tart edge. However, adjust the quantity to taste as these juices have different levels of sweetness and acidity from grapefruit juice.
How does the alcohol content in Rum Louis compare to other classic cocktails?
The Rum Louis has an alcohol content of 13.26%, placing it in the moderate range for cocktails. It's slightly stronger than a classic Mojito (approximately 10%) but less potent than stronger drinks like a Manhattan or Martini, which typically have alcohol contents around 30%. This makes Rum Louis a good middle-ground choice for those who want a balance between taste and alcohol strength.
Is the Rum Louis suitable for any specific type of gathering or event?
Due to its refreshing and tropical flavor profile, the Rum Louis is particularly suited for summer gatherings, outdoor barbecues, or beach parties. Its moderate alcohol content makes it a pleasant choice for events where guests prefer a lighter alcoholic option that still has a lively, flavorful character.
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