What technique is sometimes employed before the main acid cure to ready the fish for ika mata?
Answer
An initial brine bath (salt-water solution)
Some cooks employ a lesser-known preparatory step involving an initial brine bath before the primary curing stage begins with lemon or lime juice. This step consists of briefly soaking the fish in a mild salt-water solution, which is essentially simulating a gentle sea water bath. The purpose of this brine is twofold: it can help draw out excess moisture from the fish, or alternatively, it can slightly toughen the surface. This preparation is particularly beneficial if the cook suspects the fish has a high water content, preventing the final ika mata from being diluted by excess liquid released during the subsequent citrus marination.

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