Boston Common

Combine the rye, cognac, Amaro Nardini, sweet vermouth, and freshly squeezed lemon juice in a cocktail shaker.

Shake the mixture vigorously to chill and blend the flavors.

Strain the concoction into an Old Fashioned glass over fresh ice.

Garnish with a twist of lemon peel, expressing its oils over the drink before placing it in the glass.