Preheat oven to 350°. Lightly grease cookie sheet with non-stick cooking spray.
Place dough in a cookie press and follow manufacturers' directions for use. Use your favorite shapes.
Bake for approximately 7 minutes. Remove to cooling racks and let cool completely.
Heat Nutella in microwave safe bowl in 15-second intervals until melted. Stir. If you have a small decorating bottle, place chocolate in the bottle and drizzle designs over the cookie. If you don't have a decorating bottle, dip a spoon in the Nutella and drizzle chocolate over the cookie. Sprinkle chopped hazelnuts on top of the cookies and let set about an hour.