Grilled Ratatouille

INGREDIENTS

• 4 garlic cloves, crushed and peeled
• 1/2 cup extra-virgin olive oil
• 1 1/8 tsp. plus 1/2 tsp. salt
• 1 large globe eggplant, about 1 1/2 lb., cut into slices 1/2 inch thick
• Canola oil for brushing
• 1 large yellow onion, cut crosswise into rounds 1/4 to 1/2 inch thick
• 1/8 tsp. freshly ground black pepper
• 2 large red bell peppers
• 2 zucchini, about 1 lb. total, halved lengthwise
• 3 large tomatoes, about 1 lb. total, halved crosswise
• 1/2 cup fresh basil leaves
• 1/4 tsp. red pepper flakes