These spicy pesto and cheese stuffed zucchini involtini are a flavorful and satisfying vegetarian dish. Thinly sliced zucchini is filled with a mixture of spicy pesto, ricotta cheese, and Parmesan cheese, then rolled up and baked until tender. The combination of spicy pesto and creamy cheese creates a delicious contrast of flavors. Serve the involtini as a main course or as a side dish with a fresh salad or crusty bread.