Tomato-Watermelon Salad
["1/2 seedless watermelon (about 7 1/2 lb.)", "2 medium-size yellow tomatoes (1/2 lb.)", "1 large seedless cucumber, peeled", "1 small red onion, halved and thinly sliced crosswise", "2 jalapeno chiles, finely chopped (1/4 c.)", "1/4 c. fresh lime juice", "1/4 c. chopped fresh cilantro", "1/4 tsp. salt", "Extra-virgin olive oil, for drizzling (optional)"]
["Remove rind from watermelon and discard.", "Cut watermelon into 1-inch cubes (about 12 cups).", "Cut each tomato into 8 wedges.", "Cut cucumber in half lengthwise; cut crosswise into 1/2-inch-thick slices.", "In large serving bowl, combine watermelon, tomatoes, cucumber, red onion, jalapeno chiles, lime juice and cilantro; toss well.", "(Can be prepared a day ahead.)", "Refrigerate.", "Before serving, toss with salt, if desired, pass extra-virgin olive oil to drizzle over salad."]
["watermelon", "tomatoes", "cucumber", "red onion", "jalapeno chiles", "lime juice", "fresh cilantro", "salt", "Extra-virgin olive oil"]