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Gin Cocktail with Basil Cucumber Cordial

Prep
15 min
Cook
3 min
Yield
1 servings
Level
medium
Gin Cocktail with Basil Cucumber Cordial

A refreshing gin-based cocktail featuring a house-made basil, cucumber and gentian cordial, carbonated and served over ice in a balloon glass. The cordial is infused using sous vide to extract delicate herbal flavors, then combined with Mediterranean gin, lime juice and tonic for a bright, botanical drink garnished with dehydrated olive and cucumber ribbon.

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Method

8 steps
  1. 1

    Combine water, sugar, salt, citric acid and tartaric acid to make base cordial.

  2. 2

    Place base cordial in sous vide bag with chopped cucumber, fresh basil and gentian.

  3. 3

    Sous vide at 131°F for 40 minutes.

  4. 4

    Strain out solids and bottle the cordial.

  5. 5

    Batch gin, cordial, lime juice and tonic together.

  6. 6

    Carbonate in a 2L bottle using a SodaStream or CO2 machine.

  7. 7

    Pour over ice into a balloon glass.

  8. 8

    Garnish with half a dehydrated olive and a cucumber ribbon wrapped around the glass.

Tips

Tip 1

Chill all cocktail components before batching for best results

Tip 2

Use a sous vide machine or water bath to maintain precise temperature for cordial infusion

Good to Know

Storage

Cordial keeps refrigerated in sealed bottle for up to 2 weeks. Carbonated cocktail batch best consumed within 1-2 days.

Make Ahead

Prepare cordial up to 1 week ahead. Batch and carbonate cocktail 1-2 days before serving.

Serve With

In a chilled balloon glass over ice. Garnish immediately before serving to prevent cucumber ribbon wilting.

Common Mistakes

Watch

Exceed 55°C sous vide temperature to avoid over-extracting bitter compounds from basil and gentian

Watch

Skip straining cordial to avoid herbal particles in finished cocktail

Watch

Use flat tonic water to avoid over-carbonation when batching pre-carbonated tonic

Substitutions

Granddad Jack's Mediterranean Gin→
any dry gin1:1spirit

reduces house brand specificity

Long Rays Pacific Tonic→
any premium tonic water1:1mixer

reduces brand specificity

Tartaric Acid→
cream of tartar0.75:1acidadds dairy

similar acidity profile

Full guide →
Gentian→
gentian root powder1:1botanical

same botanical essence

Fresh Basil→
dried basil0.33:1herb

concentrated flavor

Full guide →
Find more substitutions →