Step 1.
- Fill a highball glass with ice cubes.
Step 2.
- Pour the dry sherry over the ice.
Step 3.
- Squeeze the juice of half a lime into the glass.
Step 4.
- Top with club soda to fill the glass.
Step 5.
- Stir gently to combine all ingredients.
Step 6.
- Garnish with a lime wheel.