Yes, they are sometimes interchangeable in recipes, particularly if the key goal is to add heat. Even so, the flavor might a bit change as a result of distinctions in composition. Loss of Aroma: Clean crushed crimson pepper and chili flakes have a distinct aroma when you open their container. https://beijing-red-pepper76881.blogscribble.com/30914020/5-simple-statements-about-beijing-red-pepper-explained