- 5 cups (3/4-inch) watermelon cubes
- 2 cups ripe tomatoes, cut in half
- 3 teaspoons sugar
- ½ teaspoon salt
- 1 small red onion, quartered and thinly sliced
- ½ cup red wine vinegar
- ¼ cup extra virgin olive oil
- Combine watermelon and tomatoes in a large bowl; sprinkle with sugar and salt, tossing to coat. Let stand 15 minutes.
- 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.