Step 1.
- Chill a coupe glass by filling it with ice water and letting it sit.
Step 2.
- In a mixing glass, add 2 ounces of Irish whiskey, 1 ounce of sweet vermouth, and 2 dashes of orange bitters.
Step 3.
- Fill the mixing glass with ice and stir gently for about 30 seconds until well chilled.
Step 4.
- Strain the mixture into the chilled coupe glass.
Step 5.
- Garnish with an orange twist by expressing the oils over the drink and adding it to the glass.