Does Hoisin Sauce Need to Be Refrigerated?
Does hoisin sauce need to be refrigerated? Unopened, no. Once opened, yes. And the reason is different from most condiments. Hoisin sauce contains a significant amount of sugar alongside its fermented soybean base. That sugar is what gives hoisin its distinctive sweet, rich flavor. It is also what makes opened hoisin more vulnerable to mold...
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