Rhubarb Violet Sour with crème de violette

Rhubarb Violet Sour is an elegant floral gin cocktail that beautifully balances the bright tartness of rhubarb syrup with delicate notes of crème de violette. Fresh lemon keeps everything lively, while gin provides a crisp botanical backbone without overpowering the drink. The result is a sophisticated sour with a subtle lavender hue that’s equally suited to spring celebrations, summer evenings, or simply treating yourself to something a little different.

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Hey, folks – I hope you’re all doing well!

Today, I’m thrilled to share another cocktail inspired by one of my favourite seasonal ingredients: rhubarb. While rhubarb often finds its way into pies and desserts, it also makes exceptional cocktails thanks to its naturally bright, tangy flavour. Here it joins forces with crème de violette – a floral liqueur that’s best known for classic cocktails like the Aviation – to create a drink that’s refreshing, balanced, and surprisingly refined. So, let’s dive inti this rhubarb gin sour with violet liqueur!

Why You’ll Love This Rhubarb Violet Gin Sour with Crème de Violette

Beautifully balanced. Rhubarb delivers vibrant tartness while crème de violette contributes delicate floral notes rather than overwhelming perfume.
Elegant yet approachable. Despite its sophisticated appearance, this cocktail comes together in just a few minutes.
Perfect for homemade rhubarb syrup. It’s one of my favourite ways to showcase fresh seasonal syrup.
Naturally colourful. If you use Empress 1908 Indigo Gin, the cocktail develops an even prettier lavender hue.
Easy to customize. Adjust the sweetness, acidity, or floral character depending on your syrup and personal preference.
Ideal for spring and summer. Bright, refreshing flavours make it perfect for warm-weather entertaining.

Flavour Profile

This Rhubarb Violet Sour strikes a lovely balance between bright citrus, tart fruit, and restrained floral aromas. Rather than tasting sweet or perfume-like, it remains crisp and refreshing from the first sip to the last.

The rhubarb syrup contributes fruity tartness with subtle earthy notes, while fresh lemon enhances that freshness without becoming aggressively sour. Meanwhile, the crème de violette quietly rounds out the cocktail with gentle floral complexity that lingers on the finish.

The result is smooth, silky, refreshing, and pleasantly aromatic without ever becoming overpowering.

How This Rhubarb Sour Is Different from a Traditional Gin Sour

A traditional Gin Sour relies on three primary components: gin, citrus, and simple syrup.

This version takes a different approach by replacing much of the simple syrup with homemade rhubarb syrup. As a result, the sweetness becomes more complex while also introducing gentle fruitiness and natural acidity.

Adding just a small amount of crème de violette transforms the cocktail even further. Instead of dominating the drink, it softens the sharper edges and contributes elegant floral aromas that complement the rhubarb beautifully.

The finished cocktail feels lighter, more layered, and considerably more aromatic than a classic Gin Sour while remaining wonderfully refreshing.

Does Rhubarb Pair Well with Violet and Other Floral Flavours?

Absolutely.

Rhubarb’s naturally tart profile pairs remarkably well with delicate floral ingredients because its acidity prevents floral flavours from becoming overly sweet or cloying.

Besides violet, rhubarb works wonderfully with:

Rose, for a romantic and lightly perfumed combination.
Elderflower, adding gentle honeyed floral notes.
Lavender, used sparingly for herbal complexity.
Hibiscus, bringing additional tartness and vibrant colour.
Orange blossom, creating a bright Mediterranean-inspired flavour profile.

Among these, violet remains one of my favourite partners because it contributes elegant aroma rather than excessive sweetness.

What Is Crème de Violette and How Do You Control It in Cocktails?

Crème de violette is a sweet French liqueur flavoured with violet flowers. Although famous for giving the classic Aviation its signature floral character, it’s surprisingly easy to overuse.

Fortunately, a little goes a long way.

For most cocktails, a bar spoon to about ¼ ounce is usually plenty. Larger amounts can quickly dominate the drink and produce a perfume-like flavour.

In this Rhubarb Violet Sour, the goal is simple: let the rhubarb remain the star while the violette quietly supports it in the background.

Rhubarb gin sour cocktail with crème de violette

Ingredients You’ll Need for This Gin Sour with Rhubarb and Violet

Gin. A classic London Dry works beautifully, while Empress 1908 Indigo Gin creates a gorgeous lavender colour.
Homemade rhubarb syrup. The heart of the cocktail, adding both sweetness and tart fruit flavour.
Fresh lemon juice. Always use freshly squeezed juice for the brightest flavour.
Crème de violette. Adds subtle floral complexity.
Ice. Plenty of ice ensures proper chilling and dilution.
Optional garnish. A lemon twist, edible violet, or a few dried rose petals all work beautifully.

Possible Additions and Variations

Although this rhubarb violet gin sour is already delicious, there are plenty of ways to make this cocktail your own.

Add an egg white for a creamy, silky foam.
Increase the crème de violette slightly if your rhubarb syrup is especially tart.
Use Empress 1908 Indigo Gin for a naturally purple cocktail.
Add a dash of orange bitters for extra complexity.
Replace part of the lemon with grapefruit juice for a softer citrus profile.
Add just one or two drops of rose water for an even more floral version.

Can I Make This Rhubarb Gin Sour Cocktail with Violet Syrup Instead?

Yes, although the result won’t be exactly the same.

Violet syrup contributes sweetness and floral flavour but lacks the botanical complexity and gentle warmth of crème de violette.

If using violet syrup, begin with about ½ to 1 teaspoon and slightly reduce the rhubarb syrup to maintain balance. Taste before serving and adjust as needed.

The finished cocktail will be sweeter, lighter, and a little more candy-like, but it can still be absolutely delicious.

What Kind of Gin Works Best? Can I Use Other Spirits?

One of the great things about this rhubarb violet sour cocktail is how adaptable it is. While gin remains my favourite choice because its botanicals naturally complement both rhubarb and violet, several spirits can produce delicious variations.

London Dry Gin. The classic option. Its crisp juniper and citrus botanicals create a balanced, refreshing sour.
Empress 1908 Indigo Gin. One of my favourite choices. Besides producing a gorgeous lavender-purple hue, its floral botanicals pair beautifully with crème de violette.
Contemporary or citrus-forward gin. These softer styles allow the rhubarb to take centre stage while contributing subtle botanical complexity.
Old Tom Gin. Slightly sweeter than London Dry, it creates a rounder, smoother cocktail with a richer mouthfeel.

Can you use another spirit? Absolutely, although the drink will no longer be a traditional Gin Sour.

Vodka. Clean and neutral, allowing the rhubarb and violet flavours to shine.
White rum. Adds gentle sweetness and a subtle tropical character.
Bourbon. Creates a richer, deeper cocktail where vanilla and caramel complement tart rhubarb surprisingly well.
Reposado tequila. Earthy agave notes pair nicely with rhubarb while giving the cocktail a completely different personality.

Floral gin cocktail with rhubarb syrup and Crème de Violette

How to Make Rhubarb Violet Sour

Making this rhubarb violet sour couldn’t be easier. Simply fill a cocktail shaker with ice, then add the gin, rhubarb syrup, fresh lemon juice, and crème de violette. Shake vigorously for about 15 seconds until the cocktail is thoroughly chilled, then double strain into a chilled coupe glass. Garnish with a lemon twist, an edible violet, or a few dried rose petals, if desired, and serve immediately.

How to Make This Rhubarb Gin Sour with Egg White

For a silky, creamy texture and a beautiful foamy top, simply add 1 egg white (about 1 oz / 30 ml or 2 tablespoons) or 1 oz (30 ml) pasteurized liquid egg white to the shaker along with the other ingredients. First, dry shake (without ice) for about 15 seconds to build the foam, then add ice and shake again until well chilled. Double strain into a chilled coupe glass and garnish as desired. The egg white won’t noticeably change the flavour, but it creates a smoother mouthfeel and a classic frothy finish.

More Violet and Floral Cocktails to Try

If you enjoy elegant floral cocktails, just like this rhubarb sour with gin here are a few more favourites worth exploring:

More Rhubarb Cocktails to Try

And be sure to check more rhubarb cocktails, too:

I’d love for you to try this rhubarb gin sour with violet liqueur. If you give it a go, please share your results in the comments, message me on Instagram, or post your photos with the hashtag #havocinthekitchen. I look forward to seeing your creations and hearing your thoughts.

Cheers!

Floral gin cocktail with rhubarb and lemon