Pumpkin Spice Popcorn

1 cup popcorn kernels to yield 4 quarts of popcorn or 2 bags of microwave popcorn
1/2 teaspoon salt If popping popcorn from kernels
2 tablespoons melted butter if popping popcorn from kernels
8 oz marshmallows
1/2 cup butter
1/2 cup brown sugar
1 teaspoon vanilla extract
1-1/2 teaspoons pumpkin pie spice

Pop popcorn, either in a large pot with a tablespoon of oil, or microwave popcorn.
Add salt while the popcorn is still hot.
Add a tablespoon or two of melted butter and stir well to combine.
Place the popped popcorn in a large bowl.
In a microwave-safe bowl place marshmallows, butter, brown sugar,
Microwave on high for 1:30-2 minutes until all is melted (stop microwave after 1 minute and stir, then start again)
The mixture is very sticky.
Add in vanilla and pumpkin pie spice to marshmallow mixture
Stir well, then pour over popcorn and toss popcorn well to completely coat all popcorn.
Place the coated popcorn on a parchment-lined baking sheet and allow popcorn to cool.