Measure out the rice cereal into a large mixing bowl.

Melt the butter and the marshmallows in a saucepan over medium-low heat on the stove, stirring constantly.

Stir in the green food coloring to make a deep green color.

Pour this mixture over the rice cereal in the mixing bowl and stir till the cereal is well covered.

Spray muffin tins with non-stick cooking spray.

Spoon the slightly cooled cereal mixture into the muffin cups to about ½ full.

Use the handle of a wooden spoon to make a hole in the center of each wreath cookie.

Press several red hots onto each cookie.