3 gingered watermelon tomato salad Recipes

seedless watermelon, rind trimmed, cantaloupe, seeded, rind trimmed, yellow vine-ripe tomato, red vine-ripe tomato, green vine-ripe tomato, lemon juice, lime juice, serrano chiles, sliced paper -thin, light brown sugar, kosher salt, divided, extra-virgin olive oil, divided, shredded ginger (use a microplane), pink peppercorns, crushed, divided, dry-packed sea scallops

a 4-lb piece watermelon (preferably seedless ), vine-ripened tomatoes (about 6 medium; preferably yellow ), coarse salt (preferably sea salt), red onion, fresh lime juice , or to taste, grated fresh gingerroot, sugar