Start by fitting the piping bag with a couple and decorating tip.
Fill the bag half way with green icing. If you need to, color your icing in a large bowl before sticking into the piping bag.
Hold the piping above the cupcake, straight up and down and lightly touch the surface of the cupcake. Lift up as you very quickly squeeze. Stop squeezing and pull the piping bag up.
Continue this process all the way around the top of the cupcake, squeezing and stopping creating the illusion of grass.
If only adding the sprinkles to the cupcakes, do it immediately. Once the icing dries the sprinkles wont stick.
Once the cupcakes are iced, cut the donut hole in half creating two bottoms.
Place the holes, cut side down on top of the icing and pipe a dollop of white icing on the top of the donut hole.
If using, add coconut shreds to create a fluffy tail and then finish off the look by cutting a mini marshmallow in half and stick the sticky side to the donut hole creating the feet. If the marshmallows will not stick, use a little bit of white icing to "glue" them to the donut.
When ready, serve and enjoy!