The Easy Flour Trick To Prevent Thin Alfredo Sauce - Chowhound

Flour is a powdered substance made from finely ground grains — this means it includes plenty of starch. Starch molecules break apart when they're heated, which allows each of those individual molecules to bond to water molecules. When this happens, the starch molecules essentially absorb and trap those water molecules, removing moisture from the environment. Advertisement When you have a sauce that's too watery,…