5 cups (3/4-inch) seeded watermelon cubes
1. Combine watermelon and tomato in a large bowl; sprinkle with sugar and salt, tossing to coat. Let stand 15 minutes.
2. Stir in onion, vinegar, and oil. Cover and chill 2 hours. Serve chilled with lettuce leaves, if desired. Sprinkle with cracked black pepper to taste.
Cook's Note: This salad is juicy, so use a slotted spoon if placing it on lettuce. If serving without lettuce, offer a fork and a spoon so everyone can enjoy the refreshing liquid.