The South’s heirloom tomatoes don’t just have great names—Arkansas Travelers, Spear’s Tennessee Greens, Mortgage Lifters, Cherokee Purples—they also have amazing flavors, putting any standard supermarket hybrid to shame. This stunning salad lets the tomatoes shine, paired with corn and cucumber for refreshing crispness, and all enveloped in a tangy, herb-infused buttermilk dressing.