Grilled Vegetable Platter

Name: Grilled Vegetable Platter
Ingredients: ⅓ cup balsamic vinegar; 3 tablespoons olive oil; 1 tablespoon snipped fresh basil; 2 cloves garlic, minced; ¼ teaspoon salt; ⅛ teaspoon ground black pepper; 2 red sweet peppers, stemmed, seeded, and quartered; 2 yellow sweet peppers, stemmed, seeded, and quartered; 1 bulb fennel, stemmed and cut into 1/4-inch-thick segments; 6 large mushrooms; 2 medium Japanese eggplants, ends trimmed and cut lengthwise into 1/2-inch-thick slices; 2 zucchini, cut diagonally into 1/2-inch-thick slices; 8 ounces fresh asparagus, trimmed; 1 bunch Fresh basil sprigs