Add olive oil to pan, then garlic and chili peppers, sauté.
Add diced eggplant with the skin on and cook for several minutes.
Add diced zucchini with the seeds removed.
Add one leek sliced (white only with green discarded), and mushrooms.
Add a ladle of marinara sauce.
Add salt, parsley, basil and pepper at the end.
Toss with hot linguine and fresh Parmesan Cheese.