1 stick butter
40 lg. marshmallows (10 oz. bag)
5 c. corn flakes cereal
1/2 tsp. vanilla (optional)
2 tsp. green food coloring
Plain M & M candies for eyes

Melt butter in large saucepan. Add marshmallows and cook over low heat, stirring constantly until melted and mixture is syrupy. Remove from heat. Add vanilla and food color. Mix. Add corn flakes and mix until well coated and bright green.