Botanist's Secret
A gin sour shaken with whole fresh basil leaves, lemon juice, simple syrup and orange bitters, double strained and served up in a coupe with a basil leaf.
Ingredients
- 2 oz / 60 ml London dry gin
- 0.75 oz / 22 ml Lemon juice, fresh
- 0.75 oz / 22 ml Simple syrup (1:1)
- 8 leaves Fresh basil leaves, sweet Genovese
- 3 dashes Orange bitters
- Technique
- Shaken
- Glass
- Coupe
- Ice
- Served up
- Prep
- 4 min · Intermediate
- Garnish
- A single basil leaf, clapped between the palms and floated.
- Approximate strength
- about 19% ABV in the glass
- Allergens
- None listed
Method
Chill a coupe in the freezer or with ice and water.
A cold glass, the way a specimen case is kept before the field.
Measure the gin, lemon juice, simple syrup and orange bitters into a shaker tin, then add the basil leaves whole.
Eight green leaves dropped in like pressings between pages.
Fill the tin two-thirds with cubed ice, seal, and shake hard for 10 to 12 seconds; the ice does the work of releasing the basil, so there is no need to muddle.12 sec
The ice bruises the leaves gently; the secret is that nothing is crushed.
Empty the coupe and double strain the drink through a fine mesh strainer into it so no leaf fragments pass through.
Strain the green clear, keep the color, lose the leaf.
Take one perfect basil leaf, clap it once between your palms to release its oils, and float it on the surface. Serve at once.
One leaf, clapped awake, laid on the surface like the final entry.
Flavor notes
Fresh basil and juniper on the nose; bright lemon and a soft green sweetness through the middle; orange bitters give a dry, slightly bitter lift on the finish that keeps the basil from reading like pesto. Medium sweetness, high aromatics.
Substitutions
- Simple syrup: Honey syrup (1:1), same measure · Rounder and more floral; the drink drifts toward a Bee's Knees with basil.
- Orange bitters: Celery bitters, 2 dashes · Greener and more savory; a good direction if the basil is very sweet.
- Basil: Thai basil, 6 leaves · Adds an anise note; pair with 1 dash of absinthe in the tin if the bar carries it.
Without alcohol
Shake 2 oz (60 ml) of a zero-proof juniper-forward gin alternative with 0.75 oz (22 ml) lemon juice, 0.5 oz (15 ml) simple syrup, 8 basil leaves and 3 dashes of a zero-proof orange bitters (or a strip of orange peel in the tin) for 10 seconds, double strain into a chilled coupe and garnish with a clapped basil leaf. Syrup is reduced because there is no spirit heat to balance it.
Batching
No house preparation is needed; simple syrup is 1 cup (200 g) white sugar dissolved in 1 cup (240 ml) warm water, refrigerated up to a month. Batch for 8 drinks: 16 oz (480 ml) gin, 6 oz (180 ml) simple syrup and 24 dashes orange bitters (about 0.75 oz / 22 ml) can be bottled together and refrigerated for a month; add 6 oz (180 ml) fresh lemon juice on the day. Shake each 3.5 oz (105 ml) portion with 8 fresh basil leaves and ice to order; basil cannot be batched because it browns and turns bitter within an hour of being bruised.
London dry gin, fresh basil, lemon and orange bitters, served up
Every field botanist keeps one page of the notebook that is not about the specimen in front of them. This is that page. London dry gin supplies the pressed flowers of the record: juniper, coriander seed, a little citrus peel. Fresh basil, shaken whole rather than crushed, adds the green that is still alive. Lemon and a measure of sugar set the balance, and three dashes of orange bitters are the secret, a line of marginalia that explains why the whole thing works. Served up, pale green, cold enough to fog the glass.