To what approximate oil temperature should scorpion fish fillets be heated when preparing them via deep-frying?
About 375°F (190°C).
Deep-frying is an effective method for cooking scorpion fish fillets because their firm texture allows them to hold up well within the batter without falling apart. To achieve the desired result—a crispy exterior shell while ensuring the interior remains moist and flaky—the frying medium (oil) must be maintained at a specific, high temperature. The optimal temperature range cited for this process is approximately 375 degrees Fahrenheit (190 degrees Celsius). Frying at this temperature promotes rapid cooking of the exterior batter layer, locking in moisture and resulting in a satisfyingly crisp coating.

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