Cocktail & Bar
Batch volume = Single serve volume × Number of servings Dilution water = Batch volume × Dilution factor Stirred: 20% Shaken: 25% Built: 10% Total batch = Batch volume + Dilution water Batch Negroni for 20 serves (1:1:1 at 30ml each): Gin = 30 × 20 = 600ml Campari = 30 × 20 = 600ml Vermouth = 30 × 20 = 600ml Total neat = 1800ml Dilution water (20%) = 360ml Total batch = 2160ml ≈ 2.16 litres
A batch cocktail is a large pre-mixed serving of a cocktail recipe scaled up for multiple servings. Instead of mixing each drink individually, bartenders pre-mix the spirits and liqueurs in advance. This is especially popular for high-volume Italian aperitivo service.
When a Negroni is stirred individually, it gains about 20% dilution from melting ice. In a batch, you must add that water manually. For each litre of batch Negroni, add approximately 200ml of water. Chill overnight before service and serve over ice.
Stirred cocktails (Negroni, Americano, Manhattan) batch excellently. Shaken cocktails like Mojito and Clover Club can be batched for the spirit/sugar component but require fresh citrus and carbonation at service time. Carbonated drinks (Spritz, Hugo) must be batched as still bases and topped with fizz at service.
A properly sealed batch Negroni or Americano stored in the fridge keeps 2–4 weeks. Adding citrus juice shortens shelf life to 24–48 hours. Carbonated batches should be consumed within the service session.
A 0.75L bottle of a standard 90ml cocktail yields 8 servings. A 1.75L handle yields approximately 19 serves. For Italian events, pre-filling 0.75L bottles is a common approach for per-table Negroni service.
Extremely popular. The batch Negroni in particular has become iconic in Italian craft cocktail bars. Ageing batched Negroni in oak barrels for 4–8 weeks is a flagship offering at many Milan and Florence venues. Aperol Spritz is also often pre-batched (minus Prosecco) for speed during aperitivo rush.