At your next gathering, surprise everyone with a yummy salsa that has unexpected ingredients and a flavor combination that will please both youngsters and adults because of the surprising sweetness combined with salty.
Combine the lime juice and sugar, and mix well until the sugar is fully dissolved. In a separate bowl, combine the diced watermelon, tomato, basil, cilantro, onion, and feta cheese. Toss with the sweet lime juice mixture. Serve immediately, or refrigerate until ready to serve.
Enjoy with your favorite tortilla chips as an appetizer.