Flavacol is a popcorn seasoning salt widely used in movie theaters to create that signature buttery, salty flavor. It’s a fine, orange-yellow powder made with salt, artificial butter flavor (diacetyl), and coloring agents, which is what gives movie theater popcorn its vibrant color and rich, savory taste.

Movie theater popcorn may seem impossible to recreate at home, but it turns out there's one secret ingredient that makes the classic cinema snack special.

Cinemark has its own version of BYOB — Bring Your Own Bucket — on Sunday. For $5, moviegoers can fill up their own container. The only limitation is that the bucket has to be 400 oz. or less.

The Cinemark movie chain plans to serve up a massive amount of buttery goodness during National Popcorn Day in January.

Deals are popping up this Sunday at local movie theaters. In honor of National Popcorn Day, cinema chains are offering discounts on the beloved theater snack. Reading Cinemas Valley Plaza with IMAX (2000 Wible Road) will offer guests 50% off on any size fresh-popped popcorn as well as the Reading Cinemas famous family-sized bags of popcorn,

There's no doubt that popcorn is a go-to movie theater snack. But it wasn't always this way. Here's how popcorn became so popular.