1 stick butter
36 lg. or 6 c. sm. marshmallows
1 tsp. vanilla
1 1/4 tsp. green food color
5 c. corn flakes

Melt butter and marshmallows. Add vanilla, food coloring, and corn flakes. Mix. Drop by spoon on wax paper. Top with one red candy heart or mint. Let stand on wax paper for 24 hours.