• 2 tbsp. parsley, chopped
In a medium skillet, slowly cook the garlic in the olive oil over very low heat for about 2 minutes, or until barely colored. Remove from heat and cool slightly. Whisk in the vinegar, brown sugar, 1/4 teaspoon salt and pepper. Set aside until ready to serve.
Preheat grill (medium-high heat). Grill the peppers whole, turning several times with tongs, until skins are blistered and charred on all sides. Transfer peppers to medium bowl and cover with plastic wrap; let steam to loosen skins. Remove skins; core and seed peppers. Brush the remaining vegetables with some of the dressing and season with remaining 1/4 teaspoon salt and pepper to taste. Grill vegetables until tender, turning once, should take about 5 minutes for eggplant, squash and zucchini and 10 minutes for onion.
Transfer all the vegetables to a serving platter. Drizzle with the remaining dressing and sprinkle the parsley and basil over the top. Serve warm or at room temperature.