01 -
Add popped popcorn to a mixing bowl, making sure to remove any unpopped kernels. Set aside.
02 -
In a saucepan over medium heat, combine butter, brown sugar, and corn syrup. Stir until the mixture is melted and well combined.
03 -
Add marshmallows and vanilla extract, stirring constantly until the marshmallows are completely melted.
04 -
Remove from heat and pour over popcorn. Mix to coat evenly, then transfer to a baking sheet to set up before enjoying.