Pop your popcorn, and separate any unpopped kernels. Set aside.

In a large pot, melt butter over medium heat.

Once butter is melted, add mini marshmallows, and cook, stirring frequently, until melted.

Once marshmallows have melted completely and are incorporated, pour popped popcorn into the pot.

Stir, coating all of the popcorn in the butter/marshmallow mixture. This will take some time and some muscle, keep stirring until everything is well mixed together and all of the popcorn is coated.

Add sprinkles, and mix to distribute sprinkles throughout the mix.

Spray your hands with non-stick spray and grab a handful of the popcorn marshmallow mixture.

Form the popcorn into balls, about softball sized.

Place the popcorn balls onto your parchment paper.

Repeat until all of the mixture has been used.

Poke paper straws into the popcorn balls, if desired, and sprinkle with a few extra sprinkles.