Instead of eating plain old buttery popcorn, give the classic movie snack a savory, briny twist inspired by a dirty martini.

Smartfood popcorn has come a long way from its ubiquitous white cheddar flavor. We tasted eight of the brand's current offerings to see which was best.

It might surprise you, but despite the buttery taste and appearance, some movie theater popcorn is actually vegan. And there are a few reasons why.