Grilled Mediterranean Vegetables

couscous

zucchini and/or yellow squash (about 2 1⁄2 pounds total), sliced 1⁄4 inch thick

large eggplant (about 1 pound), sliced 1⁄4 inch thick

cherry tomatoes (preferably on the vine)

bunches scallions, trimmed

olive oil

kosher salt and black pepper

Spiced Chili Oil or store-bought harissa (North African chili sauce, found in the international aisle)