This was also part of the popcorn party. This is pure heaven and so easy!
I got it from Cooks.com.
1 cube butter
36 lg. marshmallows (or 1 pkg. miniature)
1 t. vanilla
few drop of food coloring
6 c. popped, unbuttered popcorn
Melt butter and marshmallows together over medium-low heat, stirring constantly. Add vanilla and food coloring and pour over popcorn.