dissolve powdered Jell-O in melted butter. Pour over the popcorn and toss. Popcorn balls, melt 6 Tbsp butter with 3 cups mini marshmallows and 3 Tbsp Jell-O. Stir until the marshmallows melt, pour over popcorn, mix, and form into balls.
STEP BY STEP instructions to make delicious Rainbow Popcorn Balls! These colorful treats are delicious and made with popcorn, powdered sugar, marshmallows and more! They are a HIT for birthday parties and sleepovers!