Why is some popped popcorn rounder-looking than other popcorn? Popcorn comes in two basic shapes— butterfly and mushroom. Butterfly popcorn has a very irregular shape with large bumps. It has a light ...

But if it's possible, you should get stovetop popcorn and avoid anything that's already seasoned or salted. Kernels labeled fluffy or butterfly have the most surface area for all your tasty spices ...