Gem cocktail on a dark studio backgroundPublished recipe

Shaken · 1 serving

Gem

A historic rum-and-cognac sour brightened by lime and layered with pineapple syrup, rich sugar, and aromatic bitters.

Short answer

Gem is a shaken cocktail made with aged rum, cognac, lime juice, pineapple syrup, rich simple syrup, aromatic bitters, lemon, and cinnamon. The recipe below makes 1 serving, with exact quantities, optional garnishes and steps; preparation takes about 7 minutes.
Time7 min
MethodShaken
GlassCoupe
LevelMedium
By Kokto EditorialCatalog reviewed Kokto published catalog snapshotHow we review recipes

1 serving

Gem ingredients

These original amounts make 1 serving. Compare cl, US fluid ounces and parts to use the measure you have at home.

How ml, US oz and parts work
Gem ingredients in original amounts, cl, oz and parts
IngredientAmountclozparts
Aged Rum30 ml3 cl1 oz6 parts
Cognac30 ml3 cl1 oz6 parts
Lime Juice22.5 ml2.3 cl0.8 oz4.5 parts
Pineapple syrup10 ml1 cl0.3 oz2 parts
Rich Simple Syrup5 ml0.5 cl0.2 oz1 part
Aromatic bitters1 dash———
Lemon1 slice———
Cinnamon1 pinch———

Garnish: Exactly one small dehydrated lemon wheel floated on the surface with a light cinnamon dusting

Method

How to make Gem

Follow the 6 reviewed catalog steps in order.

  1. 01

    Pre-chill one clear coupe, prepare clean serving ice, and ready exactly one small dehydrated lemon wheel with a restrained pinch of cinnamon.

  2. 02

    Measure 30 ml aged rum, 30 ml cognac, 22.5 ml fresh lime juice, 10 ml pineapple syrup, 5 ml rich simple syrup, and one dash aromatic bitters into a shaker.

  3. 03

    Fill the shaker about three-quarters full with solid cold ice and seal it firmly.

  4. 04

    Shake hard for 10–12 seconds until the spirit-forward sour is thoroughly chilled, integrated, and properly diluted.

  5. 05

    Fine-strain into the chilled coupe over a restrained bed of clean clear cubed ice.

  6. 06

    Float the single dehydrated lemon wheel flat at the center, dust it very lightly with cinnamon, and serve without another garnish.

Tasting profile

What does Gem taste like?

The strongest signals in Kokto’s five-axis profile are sourness (4/5) and strength (4/5).

Kokto editorial profile for this exact house build. Scores are directional, not laboratory measurements or universal values.

Sweetness3 / 5
Sourness4 / 5
Bitterness2 / 5
Strength4 / 5
Freshness4 / 5

Quick answers

Gem questions

What is in a Gem?

Kokto’s build uses aged rum, cognac, lime juice, pineapple syrup, rich simple syrup, aromatic bitters, lemon, and cinnamon.

How long does a Gem take to make?

The governed recipe allows about 7 minutes for one serving. Equipment, ice and ingredient preparation can change the real time.

How is a Gem prepared?

It uses a shaken method and is served in a coupe. Follow the reviewed steps above instead of relying on the method label alone.

Is a Gem alcohol-free?

No. This Kokto recipe contains alcoholic ingredients and is intended only for adults of legal drinking age.

Continue exploring

These reviewed recipes are the closest matches in Kokto’s current catalog set, ranked by shared core ingredients.

Evidence

Sources & editorial note

The ingredients and steps above are Kokto's recipe specification. An external classic reference may use different amounts or techniques; follow one complete specification when mixing.

  • Cocktail App English editorial catalog B194https://www.diffordsguide.com/cocktails/recipe/17893/gem · amounts, steps, timing and entity relationships
  • Kokto governed media recordCocktail App project owner · Project-owned generated original — all rights reserved

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