Chill the Glass: Place a highball glass in the freezer for a few minutes to chill.
Prepare the Garnish: Slice a lemon or lime into wheels or wedges for garnish.
Measure the Vodka: Pour 2 oz of your preferred vodka into the chilled glass.
Add Ice: Fill the glass with ice cubes.
Top with Soda: Add 4 oz of soda water to the glass.
Optional Citrus Splash: Add 1/2 oz of lemon or lime juice if desired.
Optional Sweetness: If you like a touch of sweetness, add 1/2 oz of simple syrup.
Stir Gently: Use a bar spoon to stir the ingredients together.
Garnish: Place your choice of citrus wheel or wedge on the rim of the glass.
Serve Immediately: Enjoy your Vodka Soda while it is crisp and chilled.