Quick Answer
SHORT_ANSWER A brine mixture of 6-8% salt, 2-3% sugar, and 1-2% pink curing salt is optimal for preserving salmon. This mixture helps to inhibit bacterial growth, enhance flavor, and maintain moisture. The addition of pink curing salt also ensures food safety.
Brine Composition
To make the optimal brine mixture, combine 6-8 ounces of kosher salt with 1-2 ounces of granulated sugar and 0.5-1 ounce of pink curing salt for every 1 liter of water. This ratio ensures a balanced flavor and inhibits the growth of bacteria such as Clostridium botulinum. For example, a 1-gallon brine would require 1.5 cups of kosher salt, 0.5 cups of sugar, and 0.25 cups of pink curing salt.
Curing and Aging
Cure the salmon fillets in the prepared brine mixture for 2-4 hours in the refrigerator, flipping them halfway through. After curing, remove the salmon from the brine and rinse it under cold running water to remove excess salt. Allow the salmon to age in the refrigerator for 24-48 hours to develop a deeper flavor and firmer texture. During this time, the salmon will undergo a process called “denaturation,” where proteins unwind and reorganize, resulting in a more tender and flavorful product.
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