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Whiskey · Double Rocks

Whiskey Sour

A snow-white foam collar resting on a crystal-clear sphere.

Aurasphere Nimbus in a Whiskey Sour

Ingredients

  • 50ml Bourbon Whiskey
  • 25ml Fresh Lemon Juice
  • 15ml Rich Simple Syrup (2:1)
  • 15ml Egg White (or Aquafaba)

Method

  1. Dry shake all ingredients without ice to emulsify.
  2. Wet shake vigorously with block ice to chill.
  3. Double strain into a rocks glass over a tempered 60mm Signature Sphere.
  4. Garnish with three drops of Angostura bitters dropped onto the foam head.
The Aurasphere serve

Egg-white foam needs a stable base. The 60mm sphere gives the foam one smooth surface to rest on and keeps the drink cold underneath without thinning the texture.

FormatSignature 60mm Sphere
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CollectionNimbus
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Also works
  • The Facet · The Facet gives the same serve a sharper, faceted centre under the foam.

See it with each Aurasphere

Nimbus in a Whiskey Sour
Nimbus

A white frosted halo suspended in clear ice.

Rosé Pearl in a Whiskey Sour
Rosé Pearl

A rose-gold blush ring for softer, warmer serves.

Aurum Royale in a Whiskey Sour
Aurum Royale

23-karat gold frozen in the ring for a showpiece.

Put this serve on your menu

Pre-launch. First deliveries targeted for autumn 2026, starting in the Netherlands and Belgium.