It’s National Popcorn Day!! Popcorn is a long-time, favorite snack by many, especially kids. Popcorn is extremely versatile by adding many different flavorings, some healthier than others. If you are looking to spice up your plain popcorn, check out this next recipe below… 21 Day Fix Approved Cinnamon Spiced Popcorn. It’s an easy way to turn something ordinary into extraordinary while maintaining the popcorn taste and health status.