Preheat oven to 425 degrees.
Grease a baking sheet with non-stick spray or line with parchment paper.
Form a softball sized ball with the mashed potatoes. Place on baking sheet.
Flatten slightly and create a large well in the middle.
Add an egg to the well.
Splash a little Worcestershire sauce onto the egg.
Garnish with green onions, bacon bits, shredded cheese, salt and pepper.
Bake for approximately 30 minutes or until cheese bubbling and egg cooked through.