Definition
Mixing a powdered thickener like cornstarch or arrowroot with cold liquid before adding it to hot liquids, preventing lumps. It's the difference between silky sauce and wallpaper paste.
Example Usage
Slake the cornstarch in cold water before whisking it into the stir-fry sauce, unless you enjoy fishing out clumps.
Origin
From Old English 'slacian,' meaning to moisten or mix with liquid
Fun Fact
Starches added directly to hot liquid form an impenetrable outer shell instantly, trapping dry powder inside—hence the dreaded lumps.
Source: Basic cooking technique and sauce-making
Related Terms
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See “slaking” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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