Cook pasta according to package directions, omitting salt and fat. Drain well.
Heat oil in a large skillet over medium-high heat until hot. Add eggplant and onion; sauté 8 minutes or until onion is browned. Stir in garlic; sauté 3 minutes. Add salt, pepper, and pasta sauce; bring to a simmer. Reduce heat, and cook 5 minutes. Remove from heat; stir in basil.
Toss eggplant mixture with pasta. Sprinkle with 1 cup cheese; toss gently. Top evenly with remaining 1/2 cup cheese. Serve immediately.