Solera system: fractional blending of sherry
One of 76 entries · The Food of Spain by Claudia Roden
Jerez de la Frontera, Andalusia
The solera is the aging and blending system that makes sherry unique — a series of barrels (criaderas) stacked in tiers, with the oldest wine at floor level (the solera) and progressively younger wine in the tiers above (first criadera, second criadera, etc.). When wine is drawn for bottling from the solera, it is partially replaced from the first criadera, which is refilled from the second, and so on. The result is a wine that is both perpetually old and perpetually young: the average age of the solera wine increases over time, but it is never completely drawn out — a fraction of the original wine from when the solera was established remains in the system. Sherry bodegas measure the age of a solera, not the vintage, because no wine in the system has a single vintage.
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