How to Make It
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.
Seasoned in the South: Recipes From Crook's Corner and From Home; Crook's Corner Cafe & Bar, Chapel Hill, North Carolina