For the discerning gentleman.

60ml Cognac VS
10ml Gomme
Dash Angostura Bitters

Add gomme and angostura bitters to old fashioned/rocks glass.
Add 4-5 cubes of ice and stir until the glass feels chilled.
Add 2-3 cubes ice.
Add 15ml cognac
Add 2-3 cubes ice.
Add 15ml cognac
Add 2-3 cubes ice.
Add 15ml cognac
Taste. Should be a little too strong.
Add 2-3 cubes ice.
Add 15ml cognac
Top with ice.
Garnish: Orange twist
Shake and single strain into an old fashioned/rocks glass.
Fill with crushed ice.
Garnish with Mint sprig.