Grilled Vegetable Quesadillas with Kale Pesto Recipe

Ingredients 1 zucchini, sliced into ¼-inch thick slices 1 small eggplant, diagonally sliced into ¼-inch slices 1 red bell pepper, stemmed, seeded and quartered 1 small red onion, sliced into ¼-inch rounds 2 tablespoons