This Easy Tomato-Watermelon Salad Will Help You Beat the Heat

I was raised to believe in savory tomato salads. My mother ritually dressed them with garlicky, mustardy vinaigrettes, heavy on the tang, with pungent notes from olives, blue cheese, anchovies or canned tuna. The sweetest thing I ever saw paired with raw tomatoes during my childhood was corn, but only once. It was an article of faith for my mom that it was a cook’s duty to add contrast — and tomatoes were already…