Mix all of the ingredients together in a high-speed blender until well combined.
Serve over ice and garnish with slices of lemon. Enjoy!
Notes
Makes 4.5 cups (36 oz.)How to Dissolve Sugar Without a Blender:If you're dissolving the sugar on the stove in a pot, stir the water and sugar together over low-medium heat until the sugar is no longer visible. Allow it to cool for a few minutes, then combine the sugar-water with the watermelon and fresh lemon juice in a large pitcher and stir thoroughly to combine.If using a microwave, warm the water and sugar together in the microwave for about one minute, then stir together until the sugar is dissolved. Allow it to cool for a few minutes, then combine the sugar-water with the watermelon and fresh lemon juice in a large pitcher and stir thoroughly to combine.