Stir over ice, strain into a chilled cocktail glass, and squeeze a lemon twist to express its oils over the surface of the drink. You may choose to commit the delicious sacrilege of dropping the twist into the drink, or not, as you prefer.
Amaro Cora can be difficult to find. We mail order ours from Mt. Carmel Wines & Spirits in the Bronx. Very much worth having. http://www.mountcarmelwines.com/sku10745.html