Popcorn seasoning is any ingredient used to add flavor to popcorn. In the United States, popcorn seasoning is mass-produced by several companies for commercial and consumer use. Popcorn seasonings may be used to enhance the flavor of popcorn, and some are used to add a buttery flavor to popcorn.^[1] Significant amounts are often used to ensure the adequate flavoring of popcorn, due to popcorn's low density.^[2] It is also sometimes utilized to add coloring to popcorn.^[1] Some popcorn seasoning may contain monosodium glutamate.^[1][2] Some specialty products exist in unique flavors, such as chocolate and bubble gum.^[2] Some popcorn seasoning products may be referred to as popcorn salt.^[3]

Some oils used to cook popcorn contain popcorn seasonings mixed within the oil, and may be referred to as popcorn seasoning oils or liquid popcorn seasoning.^[1][4]

Since the 1960s, American movie theaters have commonly used the seasoning Flavacol–made up of salt, butter flavoring, and artificial colors–to enhance their popcorn.^[5]

Formulation

Dry popcorn seasoning may be finely granulated to enable even dispersion when placed upon popcorn.^[2] Common homemade popcorn seasoning ingredients include salt and melted butter.

Popcorn seasoning is sometimes used within machines that are utilized to produce large quantities of popcorn for consumer purchase.^[4]

In the 1950s in the United States, many commercial oil-based popcorn seasonings were produced with a coconut oil base, and also utilized artificial coloring.^[6]