Spaghetti with eggplant, tuna, and capers is a flavorful and satisfying pasta dish. The eggplant is sautéed until golden brown and then combined with canned tuna, capers, garlic, and red pepper flakes for a burst of flavor. The mixture is tossed with cooked spaghetti and finished with a sprinkle of fresh parsley and grated Parmesan cheese. This dish is perfect for a quick and easy weeknight dinner, and it can be enjoyed hot or cold.