Grease a 9x9 inch pan or line with parchment paper. (a 13x9
can also be used but will yield a thinner treat)
In a large pan over medium/low heat melt butter.
Add in mini marshmallows and heat until completely melted.
Pour melted marshmallows over cereal & mix until well coated.
Press cereal mixture into prepared pan.
Sprinkle cereal marshmallows, green, and gold sprinkles over the top and press lightly.
Allow to cool completely before cutting & serving.