Eggplants are in their prime from July to early October, so be sure to make the most by throwing them on the grill at your next cookout. The grilling process gives them a smoky flavor that pairs deliciously with steak or burgers. This recipe turns grilled eggplants into a salad and tops them with a grainy mustard vinaigrette. It's the perfect side dish and can even be served as a hearty vegetarian main. Get the recipe here.