Step 1.
- Chill a coupe glass by filling it with ice water.
Step 2.
- In a mixing glass, combine the whiskey, sugar, and bitters.
Step 3.
- Add ice to the mixing glass and stir until well chilled.
Step 4.
- Strain the mixture into the chilled coupe glass.
Step 5.
- Garnish with a lemon twist, expressing the oils over the drink.