The Leaky Cauldron
 

The Leaky Cauldron (by Four Course Media)

2 oz Fernet or other Italian Herbal Liqueur 
1 oz Vermouth Rosso
Dash of Cherry Bitters
Dash of Maraschino Cherry Juice
Club Soda
Maraschino Cherry

Add 3 ice cubes to a cocktail shaker. Pour in Fernet, vermouth, bitters, and juice. Stir until chilled. Strain into a wine glass, then top with soda water. Finish with a maraschino cherry.