• Puree the Watermelon: In a blender, blend the watermelon cubes until smooth. Strain the juice through a fine mesh strainer to remove any pulp and seeds.

Mix the Drink:

• In a cocktail shaker or mixing glass, combine the freshly squeezed lime juice, vodka, and optional sweetener if using. Add a handful of ice cubes.
• Shake or stir well until the mixture is chilled.

Assemble the Drink:

• Fill a serving glass halfway with ice cubes.
• Pour in the watermelon puree over the ice.
• Pour the vodka and lime mixture
• Top up the glass with soda water.

Garnish and Serve:

• Garnish with a slice of watermelon and a lime wheel on the rim of the glass.
• Serve immediately for a crisp and hydrating Watermelon Vodka Soda.