To make a good cheese sauce or gravy, you need a thickening agent. Cornstarch and flour are two common thickening agents in the home kitchen. Both are cereal starches and when they’re mixed with a ...

Cornstarch, also called maize starch or corn flour in the U.S., is the starch found in corn grains. It is a fine, white powder made from the endosperm or the starchy part of corn kernels. It's created ...