Watermelon Soda

Ingredients

1/2 medium watermelon, chilled
½ honey dew, chilled
1/3 cup sugar + water
1 tablespoon fresh lime juice  
1 cup soda water

Method

Using a melon baller, scoop out 1 1/2 cups watermelon balls (and honey dew balls, if using) into a small bowl. Cover and chill.
Stir sugar and 1/3 cup water in a small bowl until sugar dissolves. Set simple syrup aside. Stir sugar and 1/3 cup water in a small bowl until sugar dissolves. Set simple syrup aside.
Cut enough watermelon and honey dew into 1” pieces to measure 8 cups.  Purée melon pieces and soda water (not balls) in a blender until smooth.
Pour in water syrup and lime juice. Stir to combine.
Place melon balls in the bottom of glasses, pour over drink and finish with a splash of soda water.