Creating refreshing Watermelon Mint Lemonade is quick and straightforward when you follow these steps:

1. Prepare the Watermelon: Start by dicing the fresh watermelon, discarding any seeds, and measuring out four cups.
2. Blend Watermelon: In a blender, combine the diced watermelon until pureed. This should take about 30 seconds.
3. Strain the Mixture: Use a fine-mesh strainer to strain the watermelon puree into a large pitcher, discarding the pulp.
4. Juice the Lemons: Squeeze fresh lemon juice into the pitcher, ensuring no seeds are included.
5. Add Sweetener: Include honey or agave syrup in the pitcher and stir until fully dissolved.
6. Incorporate Mint: Add fresh mint leaves directly into the pitcher, which will infuse the drink with their refreshing flavor.
7. Dilute with Water: Pour in four cups of cold water and mix well to combine all ingredients.
8. Chill the Lemonade: If time allows, place the pitcher in the refrigerator for 30 minutes to let the flavors meld.
9. Serve: When ready to serve, fill glasses with ice cubes and pour the watermelon mint lemonade over them. Garnish with lemon slices and additional mint leaves, if desired.

Following these easy steps will ensure that you create a delightful and invigorating beverage that everyone will love!