So, why can't you just use cornmeal as a substitute for cornstarch? Well, it's all about the science, baby! Cornstarch is made up of starch molecules that absorb liquid and expand, creating a thick, gooey texture. Cornmeal, on the other hand, is made up of larger particles that don't absorb liquid in the same way, so you won't get that same thickening effect.
Can You Substitute Cornstarch For Corn Flour | Detroit Chinatown
Now, I know what you're thinking: what about all those recipes that call for cornmeal as a thickening agent? Well, those recipes are usually talking about using cornmeal in combination with other ingredients, like flour or eggs, to create a thickening effect. It's not a direct substitute, folks - it's more like a team effort.