Enjoy this healthy and simple grilled summer vegetable salad recipe alongside anything else you feel like throwing on the grill. Or toss it with pasta and plenty of Parmesan and call it dinner. Ingredients 2 ears corn, husked 2 large bell peppers, quartered 2 cups baby zucchini (8 ounces) 3 tablespoons extra-virgin olive oil, divided ½ teaspoon salt ½ teaspoon ground pepper 1 tablespoon red-wine vinegar 2 tablespoons chopped fresh oregano Instructions Preheat grill to medium-high. Toss corn, peppers and…