Place eggs in a large saucepan, add water to cover by an inch. Bring to a boil, cover, and remove from heat. Let sit for 10 minutes then drain the water. Transfer eggs to a bowl of ice water and let cool completely. Remove the shells from the eggs.
Halve the eggs lengthwise and remove yolks.
Cook the bacon until crispy then chop the bacon into small pieces and add it to the egg yolks.
Mash the egg yolks together with the mayonnaise, and mustard, in a medium bowl. Season with salt and pepper. Add 6-8 drop of green food coloring and mix well.
Place into a medium resealable freezer bag and cut off a 1/2 inch from one of the corners, place a star piping tip into the hole. Pipe the yolk mixture into the egg whites.