Step 1.
- Chill a cocktail glass by filling it with ice water.
Step 2.
- In a shaker, combine 2 oz of Irish whiskey, 3/4 oz of orange liqueur, and 3/4 oz of fresh lemon juice.
Step 3.
- Fill the shaker with ice and shake vigorously for about 15 seconds.
Step 4.
- Empty the ice water from the chilled cocktail glass.
Step 5.
- Strain the mixture into the chilled cocktail glass.
Step 6.
- Garnish with an orange twist.