Add all ingredients into a mixing glass with ice and stir until well-chilled.
Strain into a chilled Nick & Nora glass.
Garnish with a marasca cherry.
*Sweet vermouth blend: Combine a 750 mL bottle of Cocchi Vermouth di Torino, 19 oz Punt e Mes aperitivo and 6 oz Carpano Antica Formula vermouth. Store in the refrigerator for several weeks.