The shopping list for six

  • One 750 mL bottle of bourbon or rye
  • 1½ fluid ounces of 1:1 simple or demerara syrup
  • One bottle of aromatic bitters
  • Two firm oranges and optional cocktail cherries
  • Six large ice cubes, plus additional ice for stirring
  • Six rocks glasses, one jigger, a mixing glass or small pitcher, a bar spoon, and a vegetable peeler
  • Still or sparkling water, an appealing alcohol-free option, and substantial food
MixOXO

Steel Cocktail Shaker with Strainer

A 24-ounce three-piece stainless shaker with an integrated strainer and a cap marked for half-ounce through one-and-a-half-ounce measures.

Best for
A home host who wants a familiar shaker that opens more easily than a sealed Boston-tin pair.
Think twice if
Single-wall steel becomes very cold, and the cap’s measures do not replace the more detailed angled jigger for every recipe.
See the OXO shaker on AmazonDetails checked September 9, 2026. Prices, availability, delivery, and policies can change.
IceTrue Cubes

Clear Ice Cube Maker

A directional-freezing mold that makes four large two-inch clear cubes for Old Fashioneds and other slow-sipping drinks.

Best for
A planned cocktail night where the ice is part of the presentation and four cubes are enough for one round.
Think twice if
It occupies meaningful freezer space, makes only four cubes at a time, and generally needs most of a day to freeze.
See the clear-ice maker on AmazonDetails checked September 9, 2026. Prices, availability, delivery, and policies can change.
MixCocktail Kingdom

Yarai Mixing Glass — 500 mL

A heavy cut-glass vessel sized for stirred cocktails such as an Old Fashioned or Manhattan.

Best for
Someone who regularly makes stirred drinks and wants a dedicated mixing vessel instead of using a pitcher.
Think twice if
It still needs a bar spoon and compatible strainer, and heavy glass can chip or break if handled roughly.
See the Yarai glass on AmazonDetails checked September 9, 2026. Prices, availability, delivery, and policies can change.

Start from the classic structure

The International Bartenders Association specifies bourbon or rye, sugar, aromatic bitters, a little water, ice, and orange. That individual build is excellent for one deliberate drink. For six arriving together, measured syrup keeps the same structure easier to reproduce.

Beacon & Barrel’s host-friendly batch

Combine the whiskey, syrup, and bitters in a bottle or pitcher and refrigerate before guests arrive. Stir once, then measure 2¼ ounces into each rocks glass over a large cube. Stir until cold—about 20 seconds is a useful starting point—then express an orange peel over the surface and place it in the glass. Taste the first serving before pouring the other five because dash size and sweetness vary.

This is a house-party adaptation, not the official IBA formula.

  • 12 fluid ounces / 355 mL bourbon or rye
  • 1½ fluid ounces / 45 mL 1:1 demerara syrup
  • 18 dashes aromatic bitters

Bourbon or rye?

Bourbon usually produces the rounder, sweeter drink; rye tends to bring spice and dryness forward. If comparison is the point, make twelve half-size drinks—one bourbon and one rye for each guest—instead of serving two full cocktails. Keep the total alcohol equal to one planned round.

Do the alcohol math before the invitations

A two-ounce pour of 40% whiskey contains about 1.3 U.S. standard drinks; higher-proof whiskey contains more. One 750 mL bottle easily covers six full cocktails, but a nominal twelve-drink yield leaves little room for spills. Plan one measured round, keep water and food visible, and make any second drink optional rather than automatic.

Keep the ending simple

The night does not need a smoke dome, six syrups, or a garnish station. One reliable batch and a bourbon-versus-rye question give guests plenty to discuss. Put the bottle away after the planned round and confirm each guest’s sober transportation.