Culinary I Stocks, Sauces, & Soups Practice Exam

The idea being tested is how starch-based thickeners are prepared and used. A slurry is a premixed suspension of a starch (like cornstarch) in cold liquid. That cold liquid is important because it allows the starch to dissolve and disperse evenly, preventing clumps. Once this smooth slurry is whisked into a hot sauce or stock, the heat activates the starch granules and the mixture thickens as it gels. This method gives a clean, controlled thickening without altering flavor.

Other options don’t fit because they rely on different mechanisms: a liaison uses egg yolks and cream to enrich and lightly thicken a sauce, not dissolved starch; beurre mani is a paste of butter and flour used to finish and thicken, not cornstarch dissolved in cold liquid; salsa is a chopped mixture used for flavor and texture, not a thickener.