Melt butter in a large non-stick skillet over medium heat. Add marshmallows and stir continually with a wooden spoon until marshmallows are completely melted.

Remove from heat and stir in dry jello powder, stirring until completely combined.

Stir in cereal, mixing until completely coated.

Set aside a few minutes to cool slightly.

Butter your hands and scoop into about 1 1/2 - 2 inch balls, rolling between your hands forming into round balls.

Press a pretzel stick into the top of each ball.

Set on a parchment lined baking sheet.

Dip pretzel sticks in green icing.

Use chocolate or black icing to make Jack-O-Latern faces if desired.

Cool completely.