Aged Negroni Recipe

Inspired by OPSO

Time438h

Serves8

Our recipe, aged for 6 months in an oak barrel

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Ingredients

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1
Sanitize and prepare barrel
Use a small oak barrel (1–5 L capacity) seasoned or new according to desired oak intensity. Rinse the interior with hot water and steam or fill with warm water for 24 hours to swell staves and check for leaks. Drain and let cool completely before filling. Ensure all equipment (funnel, measuring cup) is sanitized.
2
Measure and combine spirits
Measure 1 cup gin, 1 cup Campari and 1 cup sweet vermouth into a sanitized glass or stainless steel vessel. Stir gently to homogenize. This 1:1:1 ratio is the standard Negroni; quantities above produce approximately 3 cups (about 700–750 ml), a suitable small-batch fill for a 1–2 L barrel.
3
Optional proof adjustment
If you want to reduce initial proof for greater extraction and smoother integration, add up to 1/2 cup of sterile distilled water and mix thoroughly. Record final volume and ABV if known. Note: adding water will change extraction and aging behavior.
4
Fill the barrel
Using a sanitized funnel, fill the prepared oak barrel with the blended Negroni. Leave minimal headspace to reduce oxidation (a couple of centimeters). Seal the barrel with its bung and store it in a cool, dark place with a stable temperature (ideally 55–68°F / 13–20°C).

5
Initial sampling schedule
Age for a minimum of 3 months, sampling periodically after 1 month, 3 months, and then monthly. Use a sanitized turkey baster or sample tap to draw 15–30 ml per sample. Keep tasting notes focusing on oak, bitterness, sweetness, and aromatics.
6
Tasting and adjusting
At each sample point, note color, mouthfeel, and balance. If oak is too vegetal or overly tannic, reduce aging time. If bitters are still dominant and you want more roundness, allow additional months. If spirit proof has dropped and you prefer original strength, adjust later with a small addition of gin to taste after final transfer.
7
Top-up and evaporation management
Small barrels can lose volume to evaporation ('angel's share'). If evaporation is significant and you plan to continue aging, top up with the same blend (prepared in the same 1:1:1 ratio) to keep headspace minimal. Sanitize any topping liquid and record additions.
8
Final age target
Age for a total of approximately 6 months for a pronounced but balanced oak influence. Depending on barrel toast and size, acceptable range is 3–9 months. The provided recipe assumes 6 months as typical for a small oak barrel to develop integrated oak, slight caramel, and softened bitterness.

9
Drain and filter
When desired maturity is reached (target 6 months), drain the barrel into a sanitized vessel. Rack through a fine strainer and, if desired, a coffee filter or fine paper/mesh to remove small particulates. Activated carbon filtration is optional if you want to remove any off-notes—use conservatively to avoid stripping character.
10
Proof and adjust
Check the flavor and, if necessary, proof down or up. To reduce strength slightly, add small amounts of sterile distilled water (measure and mix). To raise brightness or gin-forward character, blend in measured amounts of gin until balance is achieved. Record final blend ratios.
11
Bottle and rest
Bottle the aged Negroni in sanitized bottles with airtight caps. Let the bottled product rest for a few days to integrate any last adjustments before serving.
12
Serve (single cocktail)
Pour approximately 2 oz (60 ml) of aged Negroni over a large ice cube in a rocks glass. Garnish by expressing an orange peel: hold peel over the glass skin side down and give a quick twist to release oils, then rub the rim and drop peel into the drink. Serve immediately.