Grilled Vegetable Salad

Bahan-bahan (8 porsi)

• 1½ pounds Chinese eggplant, (cut into 1/2-inch slices)
• 1 pint cherry tomatoes
• 2 medium red bell peppers, (halved and seeded)
• 1 medium sweet onion, (cut into 8 wedges)
• 3 tablespoons extra virgin olive oil, (divided)
• ¾ teaspoon salt, (divided)
• ½ teaspoon freshly ground black pepper, (divided)
• 1 tablespoon white wine vinegar
• ½ teaspoon granulated white sugar
• 2 medium garlic cloves, (minced)
• 12 oil-cured olives, (pitted and halved (optional))
• ¼ cup chopped fresh basil
• 1 tablespoon finely chopped fresh chives