Step 1.
- Fill a shaker with ice.
Step 2.
- Pour 2 ounces of Irish whiskey into the shaker.
Step 3.
- Add 1 ounce of fresh lemon juice.
Step 4.
- Add 1/2 ounce of simple syrup (to balance the tartness).
Step 5.
- Shake well until chilled.
Step 6.
- Strain into a rocks glass filled with ice.
Step 7.
- Garnish with a lemon wheel.