This easy grilled eggplant salad is the healthy side dish you'll want to serve all summer long. It comes together in just 25 minutes and can be served warm or at room temperature, so it's equally suited to casual parties and weeknight dinners. The combination of eggplant, cherry tomatoes, red peppers, red onions and fresh herbs makes for a salad that's full of bright flavors and colors. Serve it with grilled chicken or fish or as part of a vegetarian mezze platter with dips like hummus and pita bread.