You can easily find red chili flakes in the spice aisle at most supermarkets. Unfortunately, these flakes might not be as fresh as you think. As a result, the flavor of your dish might be lackluster. Luckily, it's easy to make your red chili flakes at home with just one ingredient: red chili peppers! rnHere's what you need to know about how to make red chili flakes.