Step 1: Prepare the Ingredients - Wash the watermelon and cucumber thoroughly. Cut the watermelon into bite-sized cubes, removing any rind. Similarly, chop the cucumber into small cubes. If using red onion, peel and finely dice it. Crumble the feta cheese into small pieces. If using mint, wash and chop the leaves finely.

Step 2: Combine Everything in a Bowl - In a large mixing bowl, combine the cubed watermelon, chopped cucumber, crumbled feta cheese, and red onion (if using). Toss gently to mix the ingredients evenly.

Step 3: Add Fresh Lime Juice - Squeeze the juice of one lime over the salad. This will enhance the flavors and add a zesty brightness that complements the sweetness of the watermelon.

Step 4: Add Mint (Optional) - If using fresh mint, sprinkle it over the salad just before serving to preserve its aroma and flavor.

Step 5: Chill Before Serving (Optional) - For an extra refreshing experience, place the salad in the refrigerator for about 20–30 minutes before serving.

Step 6: Serve and Enjoy - Toss the salad once more before serving. For a beautiful presentation, serve it in a glass bowl or on individual plates. Drizzle with balsamic glaze if desired, or add a few drops of olive oil for extra richness.