Step 1.
- Chill a coupe glass by filling it with ice and setting it aside.
Step 2.
- In a mixing glass filled with ice, combine 2 ounces Old Tom gin, 1 ounce sweet vermouth, and 1/4 ounce maraschino liqueur.
Step 3.
- Add 2 dashes of orange bitters to the mixing glass.
Step 4.
- Stir the mixture until well chilled, about 30 seconds.
Step 5.
- Remove the ice from the chilled coupe glass.
Step 6.
- Strain the mixture into the chilled coupe glass.
Step 7.
- Express the oils from a lemon twist over the drink and garnish with the twist.